diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 93b56e1..a640c7d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -390,7 +390,7 @@
                           FastISel *FastIS) {
   SDB->setCurDebugLoc(DebugLoc::getUnknownLoc());
   if (FastIS)
-    SDB->setCurDebugLoc(DebugLoc::getUnknownLoc());
+    FastIS->setCurDebugLoc(DebugLoc::getUnknownLoc());
 }
 
 void SelectionDAGISel::SelectBasicBlock(BasicBlock *LLVMBB,