diff --git a/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/AbstractClsStubBuilderTest.kt b/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/AbstractClsStubBuilderTest.kt
index 42790f902ea..41d89651a87 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/AbstractClsStubBuilderTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/AbstractClsStubBuilderTest.kt
@@ -60,7 +60,7 @@ public abstract class AbstractClsStubBuilderTest : LightCodeInsightFixtureTestCa
     }
 
     private fun lastSegment(sourcePath: String): String {
-        return Files.getNameWithoutExtension(sourcePath.split("/").last())!!
+        return Files.getNameWithoutExtension(sourcePath.split('/').last { !it.isEmpty() })!!
     }
 }