diff --git a/engine/common/mod_bmodel.c b/engine/common/mod_bmodel.c
index 8d435914..8d2c0be3 100644
--- a/engine/common/mod_bmodel.c
+++ b/engine/common/mod_bmodel.c
@@ -2887,7 +2887,7 @@ qboolean Mod_LoadBmodelLumps( const byte *mod_base, qboolean isworld )
 	return true;
 }
 
-static int Mod_LumpLooksLikeEntitiesFile( file_t *f, dlump_t *l, int flags, const char *msg )
+static int Mod_LumpLooksLikeEntitiesFile( file_t *f, const dlump_t *l, int flags, const char *msg )
 {
 	char *buf;
 	int ret;