diff --git a/platform/script-debugger/debugger-ui/src/com/jetbrains/javascript/debugger/JavaScriptDebugAware.kt b/platform/script-debugger/debugger-ui/src/com/jetbrains/javascript/debugger/JavaScriptDebugAware.kt
index 007cd6dc6663..c87251ce0527 100644
--- a/platform/script-debugger/debugger-ui/src/com/jetbrains/javascript/debugger/JavaScriptDebugAware.kt
+++ b/platform/script-debugger/debugger-ui/src/com/jetbrains/javascript/debugger/JavaScriptDebugAware.kt
@@ -64,7 +64,7 @@ abstract class JavaScriptDebugAware {
   open val isOnlySourceMappedBreakpoints: Boolean
     get() = true
 
-  fun canGetEvaluationInfo(file: PsiFile): Boolean = file.fileType == fileType
+  open fun canGetEvaluationInfo(file: PsiFile): Boolean = file.fileType == fileType
 
   open fun getEvaluationInfo(element: PsiElement, document: Document, expressionInfoFactory: ExpressionInfoFactory): Promise<ExpressionInfo?>? = null