diff --git a/docs/src/content/docs/resources/changelog.md b/docs/src/content/docs/resources/changelog.md
index 44f4be54e..ebd05c364 100644
--- a/docs/src/content/docs/resources/changelog.md
+++ b/docs/src/content/docs/resources/changelog.md
@@ -28,6 +28,7 @@ New versions of Web Awesome are released as-needed and generally occur when a cr
 - Fixed a bug in `<sl-select>` that caused the menu to not close when rendered in a shadow root [#1878]
 - Fixed a bug in `<sl-tree>` that caused a new stacking context resulting in tooltips being clipped [#1709]
 - Fixed a bug in `<sl-tab-group>` that caused the scroll controls to toggle indefinitely when zoomed in Safari [#1839]
+- Fixed a bug in the submenu controller that allowed two submenus to be open at the same time [#1880]
 
 ## 2.14.0
 
diff --git a/src/components/menu-item/submenu-controller.ts b/src/components/menu-item/submenu-controller.ts
index 58ceb74bd..166e9c042 100644
--- a/src/components/menu-item/submenu-controller.ts
+++ b/src/components/menu-item/submenu-controller.ts
@@ -229,6 +229,7 @@ export class SubmenuController implements ReactiveController {
   // newly opened menu.
   private enableSubmenu(delay = true) {
     if (delay) {
+      window.clearTimeout(this.enableSubmenuTimer);
       this.enableSubmenuTimer = window.setTimeout(() => {
         this.setSubmenuState(true);
       }, this.submenuOpenDelay);
@@ -238,7 +239,7 @@ export class SubmenuController implements ReactiveController {
   }
 
   private disableSubmenu() {
-    clearTimeout(this.enableSubmenuTimer);
+    window.clearTimeout(this.enableSubmenuTimer);
     this.setSubmenuState(false);
   }