diff --git a/engine/gl/gl_ppl.c b/engine/gl/gl_ppl.c
index 4e2e61c2d..82b144645 100644
--- a/engine/gl/gl_ppl.c
+++ b/engine/gl/gl_ppl.c
@@ -119,8 +119,8 @@ typedef struct shadowmesh_s {
 struct {
 	short count;
 	short count2;
-	short next;
-	short prev;
+	int next;
+	int prev;
 } edge[MAX_MAP_EDGES];
 int firstedge;