diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/FatFrameworkTask.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/FatFrameworkTask.kt
index fd18f40c7bd..a91e3de0cfa 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/FatFrameworkTask.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/FatFrameworkTask.kt
@@ -24,7 +24,7 @@ import java.io.File
 
 class FrameworkDsymLayout(val rootDir: File) {
     init {
-        require(rootDir.extension == "framework.dSYM")
+        require(rootDir.name.endsWith(".framework.dSYM"))
     }
 
     private val frameworkName = rootDir.name.removeSuffix(".framework.dSYM")