1 files changed, 1 insertions, 0 deletions
diff --git a/render.c b/render.c
index d626a99..e260166 100644
--- a/render.c
+++ b/render.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <math.h>
 #include <GL/gl.h>
+#include <GL/glext.h>
 #include <neofx/math.h>
 #include <zoom/level.h>
 #include <zoom/light.h>