diff --git a/clang/lib/Checker/StreamChecker.cpp b/clang/lib/Checker/StreamChecker.cpp
index 98d6993cbf46..c527ca24496f 100644
--- a/clang/lib/Checker/StreamChecker.cpp
+++ b/clang/lib/Checker/StreamChecker.cpp
@@ -267,7 +267,7 @@ const GRState *StreamChecker::CheckNullStream(SVal SV, const GRState *state,
                                     CheckerContext &C) {
   const DefinedSVal *DV = dyn_cast<DefinedSVal>(&SV);
   if (!DV)
-    return false;
+    return 0;
 
   ConstraintManager &CM = C.getConstraintManager();
   const GRState *stateNotNull, *stateNull;