1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Rewrite/Frontend/RewriteObjC.cpp b/lib/Rewrite/Frontend/RewriteObjC.cpp
index 18b75758ab..b5d9f0c8f4 100644
--- a/lib/Rewrite/Frontend/RewriteObjC.cpp
+++ b/lib/Rewrite/Frontend/RewriteObjC.cpp
@@ -16,6 +16,7 @@
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/Attr.h"
 #include "clang/AST/ParentMap.h"
+#include "clang/Basic/CharInfo.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/IdentifierTable.h"
 #include "clang/Basic/SourceManager.h"
@@ -2529,7 +2530,7 @@ Stmt *RewriteObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) {
   for (i=0; i < tmpName.length(); i++) {
     char c = tmpName.at(i);
     // replace any non alphanumeric characters with '_'.
-    if (!isalpha(c) && (c < '0' || c > '9'))
+    if (!isAlphanumeric(c))
       tmpName[i] = '_';
   }
   S += tmpName;