diff --git a/packages/shared/useIntervalFn/index.ts b/packages/shared/useIntervalFn/index.ts
index 18e2b22fa2d..d00a2cfccdd 100644
--- a/packages/shared/useIntervalFn/index.ts
+++ b/packages/shared/useIntervalFn/index.ts
@@ -48,7 +48,7 @@ export function useIntervalFn(cb: Fn, interval: MaybeRef<number> = 1000, options
   }
 
   function resume() {
-    if (interval <= 0)
+    if (unref(interval) <= 0)
       return
     isActive.value = true
     if (immediateCallback)