diff --git a/java/compiler/impl/src/com/intellij/compiler/CompilerConfigurationImpl.java b/java/compiler/impl/src/com/intellij/compiler/CompilerConfigurationImpl.java
index cd207d78ff44..9742150b7e97 100644
--- a/java/compiler/impl/src/com/intellij/compiler/CompilerConfigurationImpl.java
+++ b/java/compiler/impl/src/com/intellij/compiler/CompilerConfigurationImpl.java
@@ -379,6 +379,7 @@ public class CompilerConfigurationImpl extends CompilerConfiguration implements
   public void setModuleProcessorProfiles(Collection<ProcessorConfigProfile> moduleProfiles) {
     myModuleProcessorProfiles.clear();
     myModuleProcessorProfiles.addAll(moduleProfiles);
+    myProcessorsProfilesMap = null;
   }
 
   @Nullable