diff --git a/src/class.c b/src/class.c
index af81530..210f999 100644
--- a/src/class.c
+++ b/src/class.c
@@ -2190,7 +2190,7 @@ char *getClassPath() {
     return classpath;
 }
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__APPLE__)
 int filter(const struct dirent *entry) {
 #else
 int filter(struct dirent *entry) {