diff --git a/Basic/SourceManager.cpp b/Basic/SourceManager.cpp
index 05d58cf..4d525fc 100644
--- a/Basic/SourceManager.cpp
+++ b/Basic/SourceManager.cpp
@@ -192,7 +192,7 @@
     int PhysDelta = PhysLoc.getRawFilePos() -
                     LastOne.getPhysicalLoc().getRawFilePos();
     if (SourceLocation::isValidMacroPhysOffs(PhysDelta))
-      return SourceLocation::getMacroLoc(MacroIDs.size()-1, PhysDelta, 0);
+      return SourceLocation::getMacroLoc(i, PhysDelta, 0);
   }