diff --git a/polymer/eduke32/build/include/build.h b/polymer/eduke32/build/include/build.h
index db25b0397..0ff128706 100644
--- a/polymer/eduke32/build/include/build.h
+++ b/polymer/eduke32/build/include/build.h
@@ -717,7 +717,7 @@ EXTERN vec2_t windowxy1, windowxy2;
 EXTERN int16_t *startumost, *startdmost;
 
 // The maximum tile offset ever used in any tiled parallaxed multi-sky.
-#define PSKYOFF_MAX 4
+#define PSKYOFF_MAX 8
 #define DEFAULTPSKY -1
 
 typedef struct {