diff --git a/decomment.c b/decomment.c
index 400707a..aea29fd 100644
--- a/decomment.c
+++ b/decomment.c
@@ -11,6 +11,10 @@
 #include "getopt.h"
 #endif
 
+#ifdef __APPLE__
+#include "getopt.h"
+#endif
+
 #ifdef NEED_OPTIND
 extern int optind;
 #endif