diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
index 4df7481c0b13..9d96eb56de04 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
@@ -20,8 +20,10 @@ import com.intellij.psi.PsiReference;
 import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.plugins.groovy.console.GroovyShellAction;
+import org.jetbrains.plugins.groovy.extensions.GroovyScriptTypeDetector;
 import org.jetbrains.plugins.groovy.lang.lexer.TokenSets;
 import org.jetbrains.plugins.groovy.lang.psi.GrReferenceElement;
+import org.jetbrains.plugins.groovy.lang.psi.GroovyFile;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrForStatement;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
@@ -45,6 +47,11 @@ public class GroovyCompletionConfidence extends CompletionConfidence {
   public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
     final PsiElement position = parameters.getPosition();
 
+    PsiFile file = position.getContainingFile();
+    if (file instanceof GroovyFile && GroovyScriptTypeDetector.getScriptType((GroovyFile)file) != GroovyScriptTypeDetector.DEFAULT_TYPE) {
+      return ThreeState.NO;
+    }
+
     if (position.getParent() instanceof GrReferenceElement &&
         psiElement().afterLeaf(psiElement().withText("(").withParent(GrForStatement.class)).accepts(position)) {
       return ThreeState.NO;