diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index aad6f0db093..d7c96e54754 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -2292,7 +2292,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     if (matchesSourceType) {
       stabMultiplier.value += 0.5;
     }
-    if (sourceTeraType !== Type.UNKNOWN && sourceTeraType === move.type) {
+    if (sourceTeraType !== Type.UNKNOWN && sourceTeraType === moveType) {
       stabMultiplier.value += 0.5;
     }