diff --git a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluationBuilder.kt b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluationBuilder.kt
index 485bdddc058..40584c5a074 100644
--- a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluationBuilder.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinEvaluationBuilder.kt
@@ -116,6 +116,10 @@ class KotlinEvaluator(val codeFragment: JetCodeFragment,
                       val sourcePosition: SourcePosition
 ) : Evaluator {
     override fun evaluate(context: EvaluationContextImpl): Any? {
+        if (codeFragment.getText().isEmpty()) {
+            return context.getDebugProcess().getVirtualMachineProxy().mirrorOf()
+        }
+
         var isCompiledDataFromCache = true
         try {
             val compiledData = KotlinEvaluateExpressionCache.getOrCreateCompiledData(codeFragment, sourcePosition, context) {