diff --git a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/repl/KtScratchReplExecutor.kt b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/repl/KtScratchReplExecutor.kt
index 33cfff50444..de84082bb04 100644
--- a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/repl/KtScratchReplExecutor.kt
+++ b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/repl/KtScratchReplExecutor.kt
@@ -108,8 +108,9 @@ class KtScratchReplExecutor(file: ScratchFile) : ScratchExecutor(file) {
         override fun notifyTextAvailable(text: String, outputType: Key<*>) {
             if (text.startsWith("warning: classpath entry points to a non-existent location")) return
 
-            if (outputType == ProcessOutputTypes.STDOUT) {
-                handleReplMessage(text)
+            when (outputType) {
+                ProcessOutputTypes.STDOUT -> handleReplMessage(text)
+                ProcessOutputTypes.STDERR -> errorOccurs(text)
             }
         }