diff --git a/idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt b/idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt
index 7a0f6758b0a..2c7269c8382 100644
--- a/idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt
+++ b/idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt
@@ -220,7 +220,9 @@ fun configureCompilerOptions(fileText: String, project: Project, module: Module)
         val facetSettings = KotlinFacet.get(module)!!.configuration.settings
 
         if (jvmTarget != null) {
-            (facetSettings.compilerArguments as K2JVMCompilerArguments).jvmTarget = jvmTarget
+            val compilerArguments = facetSettings.compilerArguments
+            require(compilerArguments is K2JVMCompilerArguments) { "Attempt to specify `$JVM_TARGET_DIRECTIVE` for non-JVM test" }
+            compilerArguments.jvmTarget = jvmTarget
         }
 
         if (options != null) {