diff --git a/src/mono/wasm/Wasm.Build.Tests/Common/BuildEnvironment.cs b/src/mono/wasm/Wasm.Build.Tests/Common/BuildEnvironment.cs
index 7ee80b1c435fbe..7056543a39dd56 100644
--- a/src/mono/wasm/Wasm.Build.Tests/Common/BuildEnvironment.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/Common/BuildEnvironment.cs
@@ -32,7 +32,10 @@ public class BuildEnvironment
         public static readonly string           RelativeTestAssetsPath = @"..\testassets\";
         public static readonly string           TestAssetsPath = Path.Combine(AppContext.BaseDirectory, "testassets");
         public static readonly string           TestDataPath = Path.Combine(AppContext.BaseDirectory, "data");
-        public static readonly string           TmpPath = Path.Combine(AppContext.BaseDirectory, "wbt");
+        // ActiveIssue for Linux/OSx: https://github.com/dotnet/runtime/issues/92335
+        public static readonly string           TmpPath = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
+                                                    Path.Combine(AppContext.BaseDirectory, "wbt artifacts") :
+                                                    Path.Combine(AppContext.BaseDirectory, "wbt");
 
         public static readonly string           DefaultRuntimeIdentifier =
 #if TARGET_WASI
diff --git a/src/mono/wasm/Wasm.Build.Tests/ConfigSrcTests.cs b/src/mono/wasm/Wasm.Build.Tests/ConfigSrcTests.cs
index ac71dafe0eb305..329ecbe0b49ca7 100644
--- a/src/mono/wasm/Wasm.Build.Tests/ConfigSrcTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/ConfigSrcTests.cs
@@ -32,6 +32,6 @@ public void ConfigSrcAbsolutePath(BuildArgs buildArgs, RunHost host, string id)
         string bundleDir = Path.Combine(binDir, "AppBundle");
         string configSrc = Path.GetFullPath(Path.Combine(bundleDir, "_framework", "blazor.boot.json"));
 
-        RunAndTestWasmApp(buildArgs, expectedExitCode: 42, host: host, id: id, extraXHarnessMonoArgs: $"--config-src={configSrc}");
+        RunAndTestWasmApp(buildArgs, expectedExitCode: 42, host: host, id: id, extraXHarnessMonoArgs: $"--config-src=\"{configSrc}\"");
     }
 }
diff --git a/src/mono/wasm/Wasm.Build.Tests/NativeBuildTests.cs b/src/mono/wasm/Wasm.Build.Tests/NativeBuildTests.cs
index ef3ed921a70037..ac8b567761f36a 100644
--- a/src/mono/wasm/Wasm.Build.Tests/NativeBuildTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/NativeBuildTests.cs
@@ -65,7 +65,7 @@ public void IntermediateBitcodeToObjectFilesAreNotLLVMIR(BuildArgs buildArgs, st
         {
             string printFileTypeTarget = @"
                 <Target Name=""PrintIntermediateFileType"" AfterTargets=""WasmNestedPublishApp"">
-                    <Exec Command=""wasm-dis $(_WasmIntermediateOutputPath)System.Private.CoreLib.dll.o -o $(_WasmIntermediateOutputPath)wasm-dis-out.txt""
+                    <Exec Command=""wasm-dis &quot;$(_WasmIntermediateOutputPath)System.Private.CoreLib.dll.o&quot; -o &quot;$(_WasmIntermediateOutputPath)wasm-dis-out.txt&quot;""
                           EnvironmentVariables=""@(EmscriptenEnvVars)""
                           IgnoreExitCode=""true"">
 
diff --git a/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs b/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
index cf626a59ff282d..853454c2740ca6 100644
--- a/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
@@ -278,7 +278,7 @@ private async Task BrowserRunTwiceWithAndThenWithoutBuildAsync(string config, st
                                             .WithWorkingDirectory(workingDir);
 
                 await using var runner = new BrowserRunner(_testOutput);
-                var page = await runner.RunAsync(runCommand, $"run --no-silent -c {config} --project {projectFile} --forward-console");
+                var page = await runner.RunAsync(runCommand, $"run --no-silent -c {config} --project \"{projectFile}\" --forward-console");
                 await runner.WaitForExitMessageAsync(TimeSpan.FromMinutes(2));
                 Assert.Contains("Hello, Browser!", string.Join(Environment.NewLine, runner.OutputLines));
             }
@@ -288,7 +288,7 @@ private async Task BrowserRunTwiceWithAndThenWithoutBuildAsync(string config, st
                                             .WithWorkingDirectory(workingDir);
 
                 await using var runner = new BrowserRunner(_testOutput);
-                var page = await runner.RunAsync(runCommand, $"run --no-silent -c {config} --no-build --project {projectFile} --forward-console");
+                var page = await runner.RunAsync(runCommand, $"run --no-silent -c {config} --no-build --project \"{projectFile}\" --forward-console");
                 await runner.WaitForExitMessageAsync(TimeSpan.FromMinutes(2));
                 Assert.Contains("Hello, Browser!", string.Join(Environment.NewLine, runner.OutputLines));
             }
@@ -308,7 +308,7 @@ private Task ConsoleRunWithAndThenWithoutBuildAsync(string config, string extraP
             string workingDir = runOutsideProjectDirectory ? BuildEnvironment.TmpPath : _projectDir!;
 
             {
-                string runArgs = $"run --no-silent -c {config} --project {projectFile}";
+                string runArgs = $"run --no-silent -c {config} --project \"{projectFile}\"";
                 runArgs += " x y z";
                 using var cmd = new RunCommand(s_buildEnv, _testOutput, label: id)
                                     .WithWorkingDirectory(workingDir)
@@ -324,7 +324,7 @@ private Task ConsoleRunWithAndThenWithoutBuildAsync(string config, string extraP
 
             {
                 // Run with --no-build
-                string runArgs = $"run --no-silent -c {config} --project {projectFile} --no-build";
+                string runArgs = $"run --no-silent -c {config} --project \"{projectFile}\" --no-build";
                 runArgs += " x y z";
                 using var cmd = new RunCommand(s_buildEnv, _testOutput, label: id)
                                 .WithWorkingDirectory(workingDir);
diff --git a/src/mono/wasm/build/WasmApp.Native.targets b/src/mono/wasm/build/WasmApp.Native.targets
index 43428034a93c1e..6f4b748b3fbecf 100644
--- a/src/mono/wasm/build/WasmApp.Native.targets
+++ b/src/mono/wasm/build/WasmApp.Native.targets
@@ -416,7 +416,7 @@
     </ItemGroup>
 
     <!-- for AOT builds we use llvm-size tool to collect size of the DATA segment in each object file -->
-    <Exec Command="llvm-size$(_ExeExt) -d --format=sysv @(_AOTObjectFile, ' ')"
+    <Exec Command="llvm-size$(_ExeExt) -d --format=sysv @(_AOTObjectFile->'&quot;%(Identity)&quot;', ' ')"
           Condition="'$(_WasmShouldAOT)' == 'true'"
           IgnoreStandardErrorWarningFormat="true"
           ConsoleToMsBuild="true"
diff --git a/src/tasks/AotCompilerTask/MonoAOTCompiler.cs b/src/tasks/AotCompilerTask/MonoAOTCompiler.cs
index 9e52322770b04a..0a761b44a4c8f2 100644
--- a/src/tasks/AotCompilerTask/MonoAOTCompiler.cs
+++ b/src/tasks/AotCompilerTask/MonoAOTCompiler.cs
@@ -951,7 +951,7 @@ private PrecompileArguments GetPrecompileArgumentsFor(ITaskItem assemblyItem, st
         if (isDedup)
         {
             foreach (var aItem in _assembliesToCompile!)
-                processArgs.Add(aItem.ItemSpec);
+                processArgs.Add($"\"{aItem.ItemSpec}\"");
         }
         else
         {