diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightMethodBuilder.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightMethodBuilder.java
index db735d14932a..ca12c816adce 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightMethodBuilder.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightMethodBuilder.java
@@ -58,7 +58,7 @@ import java.util.List;
  */
 public class GrLightMethodBuilder extends LightElement implements GrMethod {
   private String myName;
-  private PsiType myReturnType;
+  private PsiType myReturnType = PsiType.VOID;
   private final GrModifierList myModifierList;
   private GrParameterList myParameterList;
   private Icon myBaseIcon;