diff --git a/lib/Checker/BugReporter.cpp b/lib/Checker/BugReporter.cpp
index 0cf593b..7c8f7d0 100644
--- a/lib/Checker/BugReporter.cpp
+++ b/lib/Checker/BugReporter.cpp
@@ -40,7 +40,7 @@
 // Helper routines for walking the ExplodedGraph and fetching statements.
 //===----------------------------------------------------------------------===//
 
-static inline const Stmt* GetStmt(ProgramPoint P) {
+static inline const Stmt* GetStmt(const ProgramPoint &P) {
   if (const StmtPoint* SP = dyn_cast<StmtPoint>(&P))
     return SP->getStmt();
   else if (const BlockEdge* BE = dyn_cast<BlockEdge>(&P))