diff --git a/include/compat_macros.inc b/include/compat_macros.inc
index fd9dba7..4740a96 100644
--- a/include/compat_macros.inc
+++ b/include/compat_macros.inc
@@ -21,6 +21,7 @@
 #define frame_count FrameCount
 #define static  
 #define inline  
+#define const  
 #define fmod(x,y) mod(x,y)
 #define ddx(c) dFdx(c)
 #define ddy(c) dFdy(c)