diff --git a/src/index.tsx b/src/index.tsx
index bd60336f..4a844fe9 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -262,7 +262,7 @@ export function generateTrigger(
     componentWillUnmount() {
       this.clearDelayTimer();
       this.clearOutsideHandler();
-      clearTimeout(this.mouseDownTimeout);
+      this.clearMouseDownTimer();
       raf.cancel(this.attachId);
     }
 
@@ -389,6 +389,7 @@ export function generateTrigger(
       clearTimeout(this.mouseDownTimeout);
       this.mouseDownTimeout = window.setTimeout(() => {
         this.hasPopupMouseDown = false;
+        this.clearMouseDownTimer();
       }, 0);
 
       if (this.context) {
@@ -666,6 +667,13 @@ export function generateTrigger(
       }
     }
 
+    clearMouseDownTimer() {
+      if (this.mouseDownTimeout) {
+        clearTimeout(this.mouseDownTimeout);
+        this.mouseDownTimeout = null;
+      }
+    }
+
     clearOutsideHandler() {
       if (this.clickOutsideHandler) {
         this.clickOutsideHandler.remove();