diff --git a/src/phases/move-effect-phase.ts b/src/phases/move-effect-phase.ts
index 5a828dfc3fb..d14adf416f9 100644
--- a/src/phases/move-effect-phase.ts
+++ b/src/phases/move-effect-phase.ts
@@ -649,7 +649,7 @@ export class MoveEffectPhase extends PokemonPhase {
       return true;
     }
 
-    if (this.checkBypassSemiInvuln(semiInvulnerableTag)) {
+    if (semiInvulnerableTag && !this.checkBypassSemiInvuln(semiInvulnerableTag)) {
       return false;
     }