diff --git a/src/engine/external/pnglite/pnglite.c b/src/engine/external/pnglite/pnglite.c
index f1af9e479..b33f60ba0 100644
--- a/src/engine/external/pnglite/pnglite.c
+++ b/src/engine/external/pnglite/pnglite.c
@@ -5,7 +5,7 @@
 #define USE_ZLIB 1
 
 #if USE_ZLIB
-#include "../zlib/zlib.h"
+#include <zlib.h>
 #else
 #include "zlite.h"
 #endif