diff --git a/java/debugger/impl/src/com/intellij/debugger/jdi/StackFrameProxyImpl.java b/java/debugger/impl/src/com/intellij/debugger/jdi/StackFrameProxyImpl.java
index b5a860afacc5..5fed47929af3 100644
--- a/java/debugger/impl/src/com/intellij/debugger/jdi/StackFrameProxyImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/jdi/StackFrameProxyImpl.java
@@ -159,6 +159,7 @@ public class StackFrameProxyImpl extends JdiProxy implements StackFrameProxy {
     return (VirtualMachineProxyImpl) myTimer;
   }
 
+  @Nullable
   @Override
   public Location location() throws EvaluateException {
     InvalidStackFrameException error = null;
diff --git a/java/debugger/openapi/src/com/intellij/debugger/engine/jdi/StackFrameProxy.java b/java/debugger/openapi/src/com/intellij/debugger/engine/jdi/StackFrameProxy.java
index 7e0b6ee007f1..511b1af39daf 100644
--- a/java/debugger/openapi/src/com/intellij/debugger/engine/jdi/StackFrameProxy.java
+++ b/java/debugger/openapi/src/com/intellij/debugger/engine/jdi/StackFrameProxy.java
@@ -19,6 +19,7 @@ import com.intellij.debugger.engine.evaluation.EvaluateException;
 import com.sun.jdi.ClassLoaderReference;
 import com.sun.jdi.Location;
 import com.sun.jdi.StackFrame;
+import org.jetbrains.annotations.Nullable;
 
 public interface StackFrameProxy extends ObjectReferenceProxy{
   StackFrame getStackFrame() throws EvaluateException;
@@ -27,6 +28,7 @@ public interface StackFrameProxy extends ObjectReferenceProxy{
 
   VirtualMachineProxy getVirtualMachine();
 
+  @Nullable
   Location location() throws EvaluateException;
 
   ClassLoaderReference getClassLoader() throws EvaluateException;