diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiMethodReferenceExpressionImpl.java b/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiMethodReferenceExpressionImpl.java
index c6fb44b0d993..c25ba98b9d40 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiMethodReferenceExpressionImpl.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiMethodReferenceExpressionImpl.java
@@ -439,9 +439,12 @@ public class PsiMethodReferenceExpressionImpl extends PsiReferenceExpressionBase
         }
       } else {
         if (rightTypes.length != types.length || rightTypes[rightTypes.length - 1].getArrayDimensions() != types[types.length-1].getArrayDimensions()) {
-          types[types.length - 1] = ((PsiArrayType)types[types.length - 1]).getComponentType();
+          boolean expandTypeArray = types.length < rightTypes.length;
           int min = Math.min(types.length, rightTypes.length);
           types = Arrays.copyOf(types, min);
+          if (expandTypeArray) {
+            types[types.length - 1] = ((PsiArrayType)types[types.length - 1]).getComponentType();
+          }
           rightTypes = Arrays.copyOf(rightTypes, min);
         }
       }