diff --git a/eng/pipelines/common/templates/simple-wasm-build-tests.yml b/eng/pipelines/common/templates/simple-wasm-build-tests.yml
index 7a593f4f9be203..273a80fc65eeba 100644
--- a/eng/pipelines/common/templates/simple-wasm-build-tests.yml
+++ b/eng/pipelines/common/templates/simple-wasm-build-tests.yml
@@ -34,7 +34,7 @@ jobs:
       isExtraPlatforms: ${{ parameters.isExtraPlatformsBuild }}
       testGroup: innerloop
       nameSuffix: WasmBuildTests
-      buildArgs: -s mono+libs+host+packs+libs.tests -c $(_BuildConfig) /p:ArchiveTests=true /p:TestWasmBuildTests=true /p:TestAssemblies=false /p:BrowserHost=$(_hostedOs) /p:WorkloadsTestPreviousVersions=$(workloadsTestPreviousVersionsVar) ${{ parameters.extraBuildArgs }}
+      buildArgs: -s mono+libs+host+packs+libs.tests -c $(_BuildConfig) /p:MonoEnableAssertMessages=true /p:ArchiveTests=true /p:TestWasmBuildTests=true /p:TestAssemblies=false /p:BrowserHost=$(_hostedOs) /p:WorkloadsTestPreviousVersions=$(workloadsTestPreviousVersionsVar) ${{ parameters.extraBuildArgs }}
       timeoutInMinutes: 180
       condition: >-
         or(
diff --git a/eng/pipelines/common/templates/wasm-library-tests.yml b/eng/pipelines/common/templates/wasm-library-tests.yml
index b1b041604439f6..3765b35c30af96 100644
--- a/eng/pipelines/common/templates/wasm-library-tests.yml
+++ b/eng/pipelines/common/templates/wasm-library-tests.yml
@@ -75,7 +75,7 @@ jobs:
       isExtraPlatforms: ${{ parameters.isExtraPlatformsBuild }}
       testGroup: innerloop
       nameSuffix: LibraryTests${{ parameters.nameSuffix }}
-      buildArgs: -s mono+libs+host+packs+libs.tests -c $(_BuildConfig) /p:ArchiveTests=true /p:BrowserHost=$(_hostedOs) $(_wasmRunSmokeTestsOnlyArg) $(chromeInstallArg) $(v8InstallArg) ${{ parameters.extraBuildArgs }}
+      buildArgs: -s mono+libs+host+packs+libs.tests -c $(_BuildConfig) /p:ArchiveTests=true /p:MonoEnableAssertMessages=true /p:BrowserHost=$(_hostedOs) $(_wasmRunSmokeTestsOnlyArg) $(chromeInstallArg) $(v8InstallArg) ${{ parameters.extraBuildArgs }}
       timeoutInMinutes: 240
       # if !alwaysRun, then:
       #   if this is runtime-wasm (isWasmOnlyBuild):
diff --git a/eng/pipelines/common/templates/wasm-runtime-tests.yml b/eng/pipelines/common/templates/wasm-runtime-tests.yml
index 3a8affe48a21d0..510607830f0850 100644
--- a/eng/pipelines/common/templates/wasm-runtime-tests.yml
+++ b/eng/pipelines/common/templates/wasm-runtime-tests.yml
@@ -36,7 +36,7 @@ jobs:
       isExtraPlatforms: ${{ parameters.isExtraPlatformsBuild }}
       nameSuffix: AllSubsets_Mono_RuntimeTests
       runtimeVariant: monointerpreter
-      buildArgs: -s mono+libs -c $(_BuildConfig) /p:InstallV8ForTests=false ${{ parameters.extraBuildArgs }}
+      buildArgs: -s mono+libs -c $(_BuildConfig) /p:MonoEnableAssertMessages=true /p:InstallV8ForTests=false ${{ parameters.extraBuildArgs }}
       timeoutInMinutes: 180
       condition: >-
         or(