diff --git a/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt b/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
index 0f1d098a231..89446881ca2 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
+++ b/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
@@ -424,7 +424,7 @@ open class KotlinCompile() : AbstractKotlinCompile<K2JVMCompilerArguments>() {
 
             val (dirtyLookupSymbols, dirtyClassFqNames) = compilationResult.getDirtyData(caches.values, logAction)
             sourcesToCompile = mapLookupSymbolsToFiles(lookupStorage, dirtyLookupSymbols, logAction, ::projectRelativePath, excludes = sourcesToCompile) +
-                               mapClassesFqNamesToFiles(caches.values, dirtyClassFqNames, logAction, ::projectRelativePath)
+                               mapClassesFqNamesToFiles(caches.values, dirtyClassFqNames, logAction, ::projectRelativePath, excludes = sourcesToCompile)
 
             if (currentRemoved.any()) {
                 currentRemoved = listOf()