diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 71b21076ae6..3160978d4bd 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -649,7 +649,13 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
   getDexAttr(): bigint {
     let ret = 0n;
-    ret |= this.gender !== Gender.FEMALE ? DexAttr.MALE : DexAttr.FEMALE;
+    ret |=
+      this.gender === Gender.GENDERLESS
+        ? DexAttr.GENDERLESS
+        : this.gender === Gender.FEMALE
+          ? DexAttr.FEMALE
+          : DexAttr.MALE;
+
     ret |= !this.shiny ? DexAttr.NON_SHINY : DexAttr.SHINY;
     ret |= this.variant >= 2 ? DexAttr.VARIANT_3 : this.variant === 1 ? DexAttr.VARIANT_2 : DexAttr.DEFAULT_VARIANT;
     ret |= globalScene.gameData.getFormAttr(this.formIndex);
diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index 2949ecd51cf..3d4140b33a1 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -235,6 +235,7 @@ export interface RunEntry {
 }
 
 export const DexAttr = {
+  GENDERLESS: 0n,
   NON_SHINY: 1n,
   SHINY: 2n,
   MALE: 4n,