diff --git a/clang/lib/StaticAnalyzer/RegionStore.cpp b/clang/lib/StaticAnalyzer/RegionStore.cpp
index 3c04806..986278e 100644
--- a/clang/lib/StaticAnalyzer/RegionStore.cpp
+++ b/clang/lib/StaticAnalyzer/RegionStore.cpp
@@ -86,7 +86,7 @@
     // FIXME: There are some ElementRegions for which we cannot compute
     // raw offsets yet, including regions with symbolic offsets. These will be
     // ignored by the store.
-    return BindingKey(O.getRegion(), O.getByteOffset(), k);
+    return BindingKey(O.getRegion(), O.getOffset().getQuantity(), k);
   }
 
   return BindingKey(R, 0, k);