diff --git a/src/pc/lua/smlua_constants_autogen.c b/src/pc/lua/smlua_constants_autogen.c
index e4725c720..f9b639201 100644
--- a/src/pc/lua/smlua_constants_autogen.c
+++ b/src/pc/lua/smlua_constants_autogen.c
@@ -129,7 +129,7 @@ char gSmluaConstants[] = ""
 "--- @type integer\n"
 "FONT_TINY = -1\n"
 "--- @type integer\n"
-"ANIM_FLAG_FORWARD = (1 <<\n"
+"ANIM_FLAG_FORWARD = (1 << 1)\n"
 "INSTANT_WARP_INDEX_START=0x00\n"
 "INSTANT_WARP_INDEX_STOP=0x04\n"
 "MAX_AREAS=16\n"