diff --git a/hermes.c b/hermes.c
index 13ffebe..8b63eee 100644
--- a/hermes.c
+++ b/hermes.c
@@ -21,7 +21,7 @@
 
 // Apple does not seem to have basename available
 // as a part of string.h, so import libgen if needed
-#if __APPLE__
+#if __APPLE__ || __HAIKU__
   #include <libgen.h>
 #endif