diff --git a/Quake/gl_model.c b/Quake/gl_model.c
index 9dc66e839..0ba42232b 100644
--- a/Quake/gl_model.c
+++ b/Quake/gl_model.c
@@ -859,7 +859,7 @@ static void Mod_LoadLighting (lump_t *l)
 					return;
 				}
 				Hunk_FreeToLowMark(mark);
-				Con_Printf("Outdated .lit file (%s should be %u bytes, not %lli)\n", litfilename, 8+l->filelen*3, com_filesize);
+				Con_Printf("Outdated .lit file (%s should be %u bytes, not %" SDL_PRIs64 "\n", litfilename, 8+l->filelen*3, com_filesize);
 			}
 			else
 			{