diff --git a/java/debugger/openapi/src/com/intellij/debugger/SourcePosition.java b/java/debugger/openapi/src/com/intellij/debugger/SourcePosition.java
index 2bf52d1f08b2..2c90048a634c 100644
--- a/java/debugger/openapi/src/com/intellij/debugger/SourcePosition.java
+++ b/java/debugger/openapi/src/com/intellij/debugger/SourcePosition.java
@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.debugger;
 
 import com.intellij.openapi.application.ApplicationManager;
@@ -72,7 +58,7 @@ public abstract class SourcePosition implements Navigatable{
     @Override
     @NotNull
     public PsiFile getFile() {
-      PsiFile file = myFilePointer != null ? myFilePointer.getElement() : null;
+      PsiFile file = myFilePointer != null ? ReadAction.compute(myFilePointer::getElement) : null;
       return file != null ? file : myFile; // in case of full invalidation, rollback to the original psiFile
     }