diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/editor/actions/GroovyEnterHandler.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/editor/actions/GroovyEnterHandler.java
index d615a8774470..568ca980ef5a 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/editor/actions/GroovyEnterHandler.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/editor/actions/GroovyEnterHandler.java
@@ -44,6 +44,7 @@ import org.jetbrains.plugins.groovy.formatter.GeeseUtil;
 import org.jetbrains.plugins.groovy.formatter.GroovyCodeStyleSettings;
 import org.jetbrains.plugins.groovy.lang.editor.HandlerUtils;
 import org.jetbrains.plugins.groovy.lang.lexer.GroovyLexer;
+import org.jetbrains.plugins.groovy.lang.psi.GroovyFileBase;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression;
@@ -119,6 +120,10 @@ public class GroovyEnterHandler extends EnterHandlerDelegateAdapter {
       return Result.Continue;
     }
 
+    if (!(file instanceof GroovyFileBase)) {
+      return Result.Continue;
+    }
+
     final int caret = editor.getCaretModel().getOffset();
     final EditorHighlighter highlighter = ((EditorEx)editor).getHighlighter();
     if (caret >= 1 && caret < text.length() && CodeInsightSettings.getInstance().SMART_INDENT_ON_ENTER) {