diff --git a/packages/core/rxjs-interop/src/to_signal.ts b/packages/core/rxjs-interop/src/to_signal.ts
index 29f120cad8a..f13e919eb1a 100644
--- a/packages/core/rxjs-interop/src/to_signal.ts
+++ b/packages/core/rxjs-interop/src/to_signal.ts
@@ -168,6 +168,7 @@ export function toSignal<T, U = undefined>(
     next: (value) => state.set({kind: StateKind.Value, value}),
     error: (error) => {
       state.set({kind: StateKind.Error, error});
+      destroyUnregisterFn?.();
     },
     complete: () => {
       destroyUnregisterFn?.();