diff --git a/app/timetracking/backend/router.py b/app/timetracking/backend/router.py
index fe1d018..5cab40a 100644
--- a/app/timetracking/backend/router.py
+++ b/app/timetracking/backend/router.py
@@ -128,6 +128,54 @@ async def test_vtiger_connection():
         raise HTTPException(status_code=500, detail=str(e))
 
 
+@router.post("/sync/manual-link-customer", tags=["Sync"])
+async def manual_link_customer(tmodule_customer_id: int, hub_customer_id: int):
+    """
+    🔗 Manually link en tmodule_customer til en Hub customer.
+    
+    Brug dette når auto-linking fejler pga. navn-forskelle eller andre edge cases.
+    """
+    try:
+        logger.info(f"🔗 Manual linking tmodule {tmodule_customer_id} → Hub {hub_customer_id}")
+        
+        # Get Hub customer's economic number
+        hub_query = "SELECT economic_customer_number FROM customers WHERE id = %s"
+        hub_result = execute_query(hub_query, (hub_customer_id,))
+        
+        if not hub_result:
+            raise HTTPException(status_code=404, detail=f"Hub customer {hub_customer_id} not found")
+        
+        economic_number = hub_result[0]['economic_customer_number']
+        
+        # Update tmodule_customer
+        update_query = """
+            UPDATE tmodule_customers 
+            SET hub_customer_id = %s,
+                economic_customer_number = %s,
+                updated_at = NOW()
+            WHERE id = %s
+            RETURNING id, name, hub_customer_id, economic_customer_number
+        """
+        
+        result = execute_query(update_query, (hub_customer_id, economic_number, tmodule_customer_id))
+        
+        if not result:
+            raise HTTPException(status_code=404, detail=f"tmodule_customer {tmodule_customer_id} not found")
+        
+        logger.info(f"✅ Manual link complete: {result[0]}")
+        
+        return {
+            "success": True,
+            "linked_customer": result[0]
+        }
+        
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"❌ Manual linking failed: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 @router.post("/sync/relink-customers", tags=["Sync"])
 async def relink_customers():
     """