diff --git a/src/dreammaker/ast.rs b/src/dreammaker/ast.rs
index 4d4e4145..6c6f44e3 100644
--- a/src/dreammaker/ast.rs
+++ b/src/dreammaker/ast.rs
@@ -1160,8 +1160,8 @@ pub static VALID_FILTER_TYPES: phf::Map<&'static str, &[&str]> = phf_map! {
 pub static VALID_FILTER_FLAGS: phf::Map<&'static str, (&str, bool, bool, &[&str])> = phf_map! {
     "alpha" => ("flags", false, true, &[ "MASK_INVERSE", "MASK_SWAP" ]),
     "color" => ("space", true, false, &[ "FILTER_COLOR_RGB", "FILTER_COLOR_HSV", "FILTER_COLOR_HSL", "FILTER_COLOR_HCY" ]),
-    "layer" => ("flags", true, true, &[ "FLAG_OVERLAY", "FLAG_UNDERLAY" ]),
-    "rays" => ("flags", false, true, &[ "FLAG_OVERLAY", "FLAG_UNDERLAY" ]),
+    "layer" => ("flags", true, true, &[ "FILTER_OVERLAY", "FILTER_UNDERLAY" ]),
+    "rays" => ("flags", false, true, &[ "FILTER_OVERLAY", "FILTER_UNDERLAY" ]),
     "outline" => ("flags", false, true, &[ "OUTLINE_SHARP", "OUTLINE_SQUARE" ]),
     "ripple" => ("flags", false, true, &[ "WAVE_BOUNDED" ]),
     "wave" => ("flags", false, true, &[ "WAVE_SIDEWAYS", "WAVE_BOUNDED" ]),