diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index cd58a05..0bc5ca4 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -1089,7 +1089,7 @@
       const char* ErrStr;
       bool DFG = CreateDependencyFileGen(PP, OutputFile, InFile, ErrStr);
        if (!DFG && ErrStr) {
-        fprintf(stderr, ErrStr);
+        fprintf(stderr, "%s", ErrStr);
         return NULL;
       }
     }