diff --git a/routers/web/repo/issue_view.go b/routers/web/repo/issue_view.go
index 5774903c19a..a5bed6bba05 100644
--- a/routers/web/repo/issue_view.go
+++ b/routers/web/repo/issue_view.go
@@ -418,7 +418,7 @@ func ViewIssue(ctx *context.Context) {
 		return user_service.CanBlockUser(ctx, ctx.Doer, blocker, blockee)
 	}
 
-	if !setting.IsProd && issue.PullRequest != nil && !issue.PullRequest.IsChecking() && prViewInfo.MergeBoxData != nil {
+	if !setting.IsProd && issue.PullRequest != nil && prViewInfo.MergeBoxData != nil && prViewInfo.MergeBoxData.ReloadingInterval == 0 {
 		prViewInfo.MergeBoxData.ReloadingInterval = 1 // in dev env, force using the reloading logic to make sure it won't break
 	}
 
@@ -919,7 +919,6 @@ func (prInfo *pullRequestViewInfo) prepareMergeBox(ctx *context.Context, issue *
 		}
 	}
 
-	data.ReloadingInterval = util.Iif(pull.IsChecking(), 2000, 0)
 	data.ShowMergeInstructions = canWriteToHeadRepo
 	data.ShowPullCommands = pull.HeadRepo != nil && !pull.HasMerged && !issue.IsClosed
 
@@ -941,6 +940,10 @@ func (prInfo *pullRequestViewInfo) prepareMergeBox(ctx *context.Context, issue *
 	prConfig := issue.Repo.MustGetUnit(ctx, unit.TypePullRequests).PullRequestsConfig()
 	data.AutodetectManualMerge = prConfig.AutodetectManualMerge
 
+	needRefreshMergeBox := pull.IsChecking()
+	needRefreshMergeBox = needRefreshMergeBox || (data.StatusCheckData != nil && data.StatusCheckData.pullCommitStatusState.IsPending())
+	data.ReloadingInterval = util.Iif(needRefreshMergeBox, 5000, 0)
+
 	// Only show the merge box if the PR is not merged, or the branch is deletable.
 	// Otherwise, there is nothing to do, because the PR view page already contains enough information.
 	data.ShowMergeBox = !pull.HasMerged || data.IsPullBranchDeletable
diff --git a/tests/integration/pull_status_test.go b/tests/integration/pull_status_test.go
index a6305299699..b13eb7f2c23 100644
--- a/tests/integration/pull_status_test.go
+++ b/tests/integration/pull_status_test.go
@@ -210,7 +210,7 @@ func TestPullStatusDelayCheck(t *testing.T) {
 		})
 		assert.Equal(t, issues.PullRequestStatusChecking, issue3.PullRequest.Status)
 		assert.Zero(t, checkedPrID)
-		assertReloadingInterval(t, "2000") // the PR status is "checking", so try to reload the merge box
+		assertReloadingInterval(t, "5000") // the PR status is "checking", so try to reload the merge box
 
 		// view a PR with status=checking, it starts the real check
 		issue3, checkedPrID = run(t, func(t *testing.T) {