diff --git a/lib/Analysis/GRSimpleVals.h b/lib/Analysis/GRSimpleVals.h
index 5adf895..d86db51 100644
--- a/lib/Analysis/GRSimpleVals.h
+++ b/lib/Analysis/GRSimpleVals.h
@@ -60,7 +60,7 @@
   virtual void EvalCall(ExplodedNodeSet<ValueState>& Dst,
                         GRExprEngine& Engine,
                         GRStmtNodeBuilder<ValueState>& Builder,
-                        CallExpr* CE, LVal L,
+                        CallExpr* CE, RVal L,
                         ExplodedNode<ValueState>* Pred);
   
   virtual void EvalObjCMessageExpr(ExplodedNodeSet<ValueState>& Dst,