diff --git a/FabApprovalWorkerService/Workers/ApprovalNotificationWorker.cs b/FabApprovalWorkerService/Workers/ApprovalNotificationWorker.cs
index 139b35f..277ea4c 100644
--- a/FabApprovalWorkerService/Workers/ApprovalNotificationWorker.cs
+++ b/FabApprovalWorkerService/Workers/ApprovalNotificationWorker.cs
@@ -58,6 +58,8 @@ public class ApprovalNotificationWorker : IJob {
 
             IEnumerable<Approval> approvals = await _approvalService.GetActiveApprovalsWithNotificationOlderThanFiveDays();
 
+            HashSet<string> issueAndUserIds = new();
+
             foreach (Approval approval in approvals) {
                 bool isEcn = false;
                 bool isCa = false;
@@ -113,7 +115,8 @@ public class ApprovalNotificationWorker : IJob {
 
                 if ((isEcn || isCa || isMrb || isPcrb) && 
                     !string.IsNullOrWhiteSpace(title) && 
-                    !string.IsNullOrWhiteSpace(url)) {
+                    !string.IsNullOrWhiteSpace(url) &&
+                    !issueAndUserIds.Contains($"{approval.IssueID}{approval.UserID}")) {
 
                     User user = await _userService.GetUserById(approval.UserID);
 
@@ -139,6 +142,8 @@ public class ApprovalNotificationWorker : IJob {
 
                     approval.NotifyDate = DateTime.Now;
                     await _approvalService.UpdateApproval(approval);
+
+                    issueAndUserIds.Add($"{approval.IssueID}{approval.UserID}");
                 }
             }
         } catch (Exception ex) {