diff --git a/src/defines.hpp b/src/defines.hpp
index a40eaaa..6d627ec 100644
--- a/src/defines.hpp
+++ b/src/defines.hpp
@@ -19,4 +19,6 @@
 #endif
 #ifndef GIT_DIRTY
 #define GIT_DIRTY "?"
-#endif
\ No newline at end of file
+#endif
+
+#include <sys/types.h>