diff --git a/packages/contracts/src.ts/index.ts b/packages/contracts/src.ts/index.ts
index 6cb6aed8e..098e6f5e6 100644
--- a/packages/contracts/src.ts/index.ts
+++ b/packages/contracts/src.ts/index.ts
@@ -721,7 +721,7 @@ export class Contract {
 
         // If we have a poller for this, remove it
         const emit = this._wrappedEmits[runningEvent.tag];
-        if (emit) {
+        if (!emit) {
             this.provider.off(runningEvent.filter, emit);
             delete this._wrappedEmits[runningEvent.tag];
         }