diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 1eed0bc..b8b7287 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -76,7 +76,7 @@
 /// corresponds to a file or some other input source.
 unsigned SourceManager::createFileID(const ContentCache *File,
                                      SourceLocation IncludePos,
-                                     SrcMgr::Characteristic_t FileCharacter) {
+                                     SrcMgr::CharacteristicKind FileCharacter) {
   // If FileEnt is really large (e.g. it's a large .i file), we may not be able
   // to fit an arbitrary position in the file in the FilePos field.  To handle
   // this, we create one FileID for each chunk of the file that fits in a