diff --git a/src/Keyborg.ts b/src/Keyborg.ts
index cc60b89f6..e986d34ae 100644
--- a/src/Keyborg.ts
+++ b/src/Keyborg.ts
@@ -279,8 +279,8 @@ export class Keyborg {
   }
 
   private constructor(win: WindowWithKeyborg, props?: KeyborgProps) {
-    this._id = "k" + ++_lastId;
     this._win = win;
+    this._id = this.createId(win);
 
     const current = win.__keyborg;
 
@@ -296,6 +296,25 @@ export class Keyborg {
     }
   }
 
+  /**
+   * creates an id that will be truly global core instance
+   * @returns global id for the keyborg instance
+   */
+  private createId(win: WindowWithKeyborg) {
+    const current = win.__keyborg;
+    let id = "k" + ++_lastId;
+    if (!current) {
+      return id;
+    }
+
+    // other bundles might have created keyborg instances before this one
+    while (current.refs[id]) {
+      id = "k" + ++_lastId;
+    }
+
+    return id;
+  }
+
   private dispose(): void {
     const current = this._win?.__keyborg;