diff --git a/lib/filelister.cpp b/lib/filelister.cpp
index a65c803e2..7e34dec81 100644
--- a/lib/filelister.cpp
+++ b/lib/filelister.cpp
@@ -125,6 +125,8 @@ bool FileLister::acceptFile(const std::string &filename)
         extension == ".c++" ||
         extension == ".tpp" ||
         extension == ".txx" ||
+        extension == ".m" ||        // Objective C
+        extension == ".mm" ||       // Objective C++
         extension == ".java" ||     // Java source file
         extension == ".cs")         // C# source file
     {