diff --git a/src/com/magento/idea/magento2uct/execution/configurations/UctRunConfiguration.java b/src/com/magento/idea/magento2uct/execution/configurations/UctRunConfiguration.java
index dc40ca81f..91cb841eb 100644
--- a/src/com/magento/idea/magento2uct/execution/configurations/UctRunConfiguration.java
+++ b/src/com/magento/idea/magento2uct/execution/configurations/UctRunConfiguration.java
@@ -5,6 +5,8 @@
 
 package com.magento.idea.magento2uct.execution.configurations;
 
+import static com.magento.idea.magento2uct.execution.configurations.UctSettingsEditor.MAGENTO_VERSION_PATTERN;
+
 import com.intellij.execution.ExecutionException;
 import com.intellij.execution.Executor;
 import com.intellij.execution.RunManager;
@@ -32,6 +34,7 @@
 import com.magento.idea.magento2uct.settings.UctSettingsService;
 import com.magento.idea.magento2uct.util.UctExecutableValidatorUtil;
 import com.magento.idea.magento2uct.util.module.UctModulePathValidatorUtil;
+import java.util.regex.Matcher;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -241,6 +244,11 @@ public boolean isNewlyCreated() {
                     throw new ExecutionException("The coming/target version is not specified");
                 }
 
+                final Matcher matcher = MAGENTO_VERSION_PATTERN.matcher(getComingVersion());
+                if (!matcher.find()) {
+                    throw new ExecutionException("The coming/target version is not correct");
+                }
+
                 if (getProjectRoot().isEmpty()) {
                     throw new ExecutionException("The project root is not specified");
                 }
@@ -255,14 +263,12 @@ public boolean isNewlyCreated() {
                     commandSettingsBuilder.addArgument("--coming-version=" + getComingVersion());
                 }
 
-                commandSettingsBuilder.addArgument(getProjectRoot());
-
                 final GeneralCommandLine commandLine =
                         commandSettingsBuilder.createGeneralCommandLine();
 
                 if (!getModulePath().isEmpty()) {
                     if (UctModulePathValidatorUtil.validate(getModulePath())) {
-                        commandLine.addParameter("--module-path=".concat(getModulePath()));
+                        commandLine.addParameter(getModulePath());
                     } else {
                         throw new ExecutionException("The path to analyse is not valid");
                     }
diff --git a/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.form b/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.form
index a3de59bfc..1e7f0ca56 100644
--- a/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.form
+++ b/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.form
@@ -25,7 +25,9 @@
         <constraints>
           <grid row="6" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="2" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
-        <properties/>
+        <properties>
+          <editable value="true"/>
+        </properties>
       </component>
       <component id="f6c56" class="javax.swing.JLabel" binding="comingVersionLabel">
         <constraints>
diff --git a/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.java b/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.java
index 215bf5626..ff71c219e 100644
--- a/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.java
+++ b/src/com/magento/idea/magento2uct/execution/configurations/UctSettingsEditor.java
@@ -29,6 +29,9 @@
 import java.awt.Container;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.Objects;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
@@ -45,6 +48,10 @@ public class UctSettingsEditor extends SettingsEditor<UctRunConfiguration> {
     private static final String LEARN_MORE_URI =
             "https://docs.magento.com/user-guide/getting-started.html#product-editions";
     private static final String LEARN_MORE_TEXT = "Learn more.  ";
+    @SuppressWarnings("checkstyle:LineLength")
+    private static final String MAGENTO_VERSION_REGEX = "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$";
+    public static final Pattern MAGENTO_VERSION_PATTERN
+            = Pattern.compile(MAGENTO_VERSION_REGEX);
 
     private final Project project;
     private String uctExecutablePath;
@@ -126,6 +133,14 @@ protected void resetEditorFrom(final @NotNull UctRunConfiguration uctRunConfigur
         if (!uctRunConfiguration.getComingVersion().isEmpty()) {
             final String storedComingVersion = uctRunConfiguration.getComingVersion();
             setSelectedValueByItsKey(comingVersion, storedComingVersion);
+
+            if (!Objects.requireNonNull(
+                    comingVersion.getSelectedItem()).toString().equals(storedComingVersion)) {
+                final ComboBoxItemData customVersion
+                        = new ComboBoxItemData(storedComingVersion, storedComingVersion);
+                comingVersion.addItem(customVersion);
+                comingVersion.setSelectedItem(customVersion);
+            }
         }
 
         if (uctRunConfiguration.getMinIssueLevel() > 0) {
@@ -148,8 +163,8 @@ protected void applyEditorTo(final @NotNull UctRunConfiguration uctRunConfigurat
         uctRunConfiguration.setProjectRoot(projectRoot.getComponent().getText());
         uctRunConfiguration.setModulePath(modulePath.getComponent().getText());
 
-        final ComboBoxItemData selectedComingVersion =
-                (ComboBoxItemData) comingVersion.getSelectedItem();
+        final ComboBoxItemData selectedComingVersion
+                = getCorrectedSelectedItem(comingVersion.getSelectedItem());
 
         if (selectedComingVersion == null) {
             uctRunConfiguration.setComingVersion("");
@@ -299,7 +314,7 @@ private String getStoredUctExecutablePath(
      */
     @SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
     private void initializeComboboxSources() {
-        comingVersion.addItem(new ComboBoxItemData("", "Choose a target version"));
+        comingVersion.setToolTipText("Choose a target version");
 
         for (final String version : SupportedVersion.getSupportedVersions()) {
             comingVersion.addItem(new ComboBoxItemData(version, version));
@@ -339,7 +354,7 @@ protected void textChanged(final @NotNull DocumentEvent event) {
                 });
 
         comingVersion.addItemListener(event -> {
-            final ComboBoxItemData selectedItem = (ComboBoxItemData) event.getItem();
+            final ComboBoxItemData selectedItem = getCorrectedSelectedItem(event.getItem());
 
             validateComingVersionField(selectedItem);
         });
@@ -366,13 +381,37 @@ private void validateExecutablePathField() {
      * @param selectedItem ComboBoxItemData
      */
     private void validateComingVersionField(final ComboBoxItemData selectedItem) {
+        final Matcher matcher = MAGENTO_VERSION_PATTERN.matcher(selectedItem.getText());
+
         if (selectedItem != null && selectedItem.getKey().isEmpty()) {
             comingVersionError.setText("Please, specify target version");
+        } else if (!matcher.find()) { // NOPMD
+            comingVersionError.setText("Please, correct target version");
         } else {
             comingVersionError.setText("");
         }
     }
 
+    /**
+     * Get existing item or select and convert custom version.
+     *
+     * @param selectedItem String|ComboBoxItemData
+     * @return ComboBoxItemData
+     */
+    private ComboBoxItemData getCorrectedSelectedItem(final Object selectedItem) {
+        ComboBoxItemData selectedComingVersion;
+
+        if (selectedItem instanceof ComboBoxItemData) {
+            selectedComingVersion = (ComboBoxItemData) selectedItem;
+        } else {
+            final String customSelectedVersion = selectedItem.toString();
+            selectedComingVersion
+                    = new ComboBoxItemData(customSelectedVersion, customSelectedVersion);
+        }
+
+        return selectedComingVersion;
+    }
+
     /**
      * Set selected combobox item by key.
      *