diff --git a/asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/Frame.java b/asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/Frame.java
index a3dd6c86..63987e4b 100644
--- a/asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/Frame.java
+++ b/asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/Frame.java
@@ -179,6 +179,20 @@ public V getStack(final int index) {
     return values[nLocals + index];
   }
 
+  /**
+   * Sets the value of the given stack slot.
+   *
+   * @param i
+   *   the index of an operand stack slot.
+   * @param value
+   *   the new value of the stack slot.
+   * @throws IndexOutOfBoundsException
+   *   if the stack slot does not exist.
+   */
+  public void setStack(final int i, final V value) throws IndexOutOfBoundsException {
+      values[i + nLocals] = value;
+  }
+
   /** Clears the operand stack of this frame. */
   public void clearStack() {
     nStack = 0;