diff --git a/clang/lib/Analysis/ScanfFormatString.cpp b/clang/lib/Analysis/ScanfFormatString.cpp
index 269a5f9..2dbc9e4 100644
--- a/clang/lib/Analysis/ScanfFormatString.cpp
+++ b/clang/lib/Analysis/ScanfFormatString.cpp
@@ -445,7 +445,7 @@
   }
 
   // Handle size_t, ptrdiff_t, etc. that have dedicated length modifiers in C99.
-  if (isa<TypedefType>(PT) && (LangOpt.C99 || LangOpt.CPlusPlus0x))
+  if (isa<TypedefType>(PT) && (LangOpt.C99 || LangOpt.CPlusPlus11))
     namedTypeToLengthModifier(PT, LM);
 
   // If fixing the length modifier was enough, we are done.