diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index fc331d0..b75850d 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -2594,9 +2594,9 @@
 int clang_saveTranslationUnit(CXTranslationUnit TU, const char *FileName,
                               unsigned options) {
   if (!TU)
-    return 1;
+    return CXSaveError_InvalidTU;
   
-  int result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
+  CXSaveError result = static_cast<ASTUnit *>(TU->TUData)->Save(FileName);
   if (getenv("LIBCLANG_RESOURCE_USAGE"))
     PrintLibclangResourceUsage(TU);
   return result;