diff --git a/models/issue.go b/models/issue.go
index cb5f8bb06..6d557ad4e 100644
--- a/models/issue.go
+++ b/models/issue.go
@@ -93,6 +93,16 @@ func (issue *Issue) loadRepo(e Engine) (err error) {
 	return nil
 }
 
+// GetPullRequest returns the issue pull request
+func (issue *Issue) GetPullRequest() (pr *PullRequest, err error) {
+	if !issue.IsPull {
+		return nil, fmt.Errorf("Issue is not a pull request")
+	}
+
+	pr, err = getPullRequestByIssueID(x, issue.ID)
+	return
+}
+
 func (issue *Issue) loadAttributes(e Engine) (err error) {
 	if err := issue.loadRepo(e); err != nil {
 		return err
@@ -953,9 +963,9 @@ func Issues(opts *IssuesOptions) ([]*Issue, error) {
 
 	switch opts.IsPull {
 	case util.OptionalBoolTrue:
-		sess.And("issue.is_pull=?",true)
+		sess.And("issue.is_pull=?", true)
 	case util.OptionalBoolFalse:
-		sess.And("issue.is_pull=?",false)
+		sess.And("issue.is_pull=?", false)
 	}
 
 	sortIssuesSession(sess, opts.SortType)
@@ -1780,4 +1790,3 @@ func DeleteMilestoneByRepoID(repoID, id int64) error {
 	}
 	return sess.Commit()
 }
-
diff --git a/public/css/index.css b/public/css/index.css
index c636d17d5..1bb9e9fd4 100644
--- a/public/css/index.css
+++ b/public/css/index.css
@@ -2726,17 +2726,16 @@ footer .ui.language .menu {
 .user.notification table tr {
   cursor: pointer;
 }
-.user.notification .octicon-issue-opened,
-.user.notification .octicon-git-pull-request {
+.user.notification .octicon.green {
   color: #21ba45;
 }
-.user.notification .octicon-issue-closed {
+.user.notification .octicon.red {
   color: #d01919;
 }
-.user.notification .octicon-git-merge {
+.user.notification .octicon.purple {
   color: #a333c8;
 }
-.user.notification .octicon-pin {
+.user.notification .octicon.blue {
   color: #2185d0;
 }
 .dashboard {
diff --git a/public/less/_user.less b/public/less/_user.less
index d63b9b3de..5411c1d06 100644
--- a/public/less/_user.less
+++ b/public/less/_user.less
@@ -99,17 +99,19 @@
             }
         }
 
-        .octicon-issue-opened, .octicon-git-pull-request {
-            color: #21ba45;
-        }
-        .octicon-issue-closed {
-            color: #d01919;
-        }
-        .octicon-git-merge {
-            color: #a333c8;
-        }
-        .octicon-pin {
-            color: #2185d0;
+        .octicon {
+            &.green {
+                color: #21ba45;
+            }
+            &.red {
+                color: #d01919;
+            }
+            &.purple {
+                color: #a333c8;
+            }
+            &.blue {
+                color: #2185d0;
+            }
         }
     }
 }
diff --git a/templates/user/notification/notification.tmpl b/templates/user/notification/notification.tmpl
index 04f3bf5a0..eb09c21ff 100644
--- a/templates/user/notification/notification.tmpl
+++ b/templates/user/notification/notification.tmpl
@@ -40,15 +40,19 @@
 										<i class="blue octicon octicon-pin"></i>
 									{{else if $issue.IsPull}}
 										{{if $issue.IsClosed}}
-											<i class="octicon octicon-git-merge"></i>
+											{{if $issue.GetPullRequest.HasMerged}}
+												<i class="purple octicon octicon-git-merge"></i>
+											{{else}}
+												<i class="red octicon octicon-git-pull-request"></i>
+											{{end}}
 										{{else}}
-											<i class="octicon octicon-git-pull-request"></i>
+											<i class="green octicon octicon-git-pull-request"></i>
 										{{end}}
 									{{else}}
 										{{if $issue.IsClosed}}
-											<i class="octicon octicon-issue-closed"></i>
+											<i class="red octicon octicon-issue-closed"></i>
 										{{else}}
-											<i class="octicon octicon-issue-opened"></i>
+											<i class="green octicon octicon-issue-opened"></i>
 										{{end}}
 									{{end}}
 								</td>