diff --git a/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/CompilationContextImpl.groovy b/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/CompilationContextImpl.groovy
index 30f07f09f4af..5807c9c52383 100644
--- a/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/CompilationContextImpl.groovy
+++ b/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/CompilationContextImpl.groovy
@@ -130,7 +130,7 @@ class CompilationContextImpl implements CompilationContext {
       projectBuilder.targetFolder = classesOutput
     }
     else {
-      def outputDir = JpsPathUtil.urlToFile(JpsJavaExtensionService.getInstance().getOrCreateProjectExtension(project).outputUrl)
+      def outputDir = getProjectOutputDirectory()
       if (!outputDir.exists()) {
         messages.error("$BuildOptions.USE_COMPILED_CLASSES_PROPERTY is enabled, but the project output directory $outputDir.absolutePath doesn't exist")
       }
@@ -141,6 +141,10 @@ class CompilationContextImpl implements CompilationContext {
     cleanOutput(outputDirectoriesToKeep)
   }
 
+  File getProjectOutputDirectory() {
+    JpsPathUtil.urlToFile(JpsJavaExtensionService.getInstance().getOrCreateProjectExtension(project).outputUrl)
+  }
+
   void cleanOutput(List<String> outputDirectoriesToKeep) {
     messages.block("Clean output") {
       def outputPath = paths.buildOutputRoot