1 files changed, 10 insertions, 1 deletions
diff --git a/cpp/src/Slice/Preprocessor.cpp b/cpp/src/Slice/Preprocessor.cpp
index 36e51ffa16d..832f0ae5756 100644
--- a/cpp/src/Slice/Preprocessor.cpp
+++ b/cpp/src/Slice/Preprocessor.cpp
@@ -87,7 +87,16 @@ Slice::Preprocessor::normalizeIncludePath(const string& path)
 {
     string result = path;
 
-    replace(result.begin(), result.end(), '\\', '/');
+#ifdef _WIN32
+    //
+    // MCPP does not handle "-IC:/" well as an include path.
+    //
+    if(path.size() != 3 || !(path[0] >= 'A' && path[0] <= 'Z') || (path[0] >= 'a' && path[0] <= 'z') ||
+       path[1] != ':' || path[2] != '\\')
+#endif
+    {
+        replace(result.begin(), result.end(), '\\', '/');
+    }
 
     string::size_type startReplace = 0;
 #ifdef _WIN32