diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 76d81d0e76..f638b6f51f 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -502,7 +502,7 @@ func ViewIssue(ctx *context.Context) {
 		}
 		return
 	}
-	ctx.Data["Title"] = issue.Title
+	ctx.Data["Title"] = fmt.Sprintf("#%d - %s", issue.Index, issue.Title)
 
 	// Make sure type and URL matches.
 	if ctx.Params(":type") == "issues" && issue.IsPull {
diff --git a/routers/repo/pull.go b/routers/repo/pull.go
index d345dbee06..baa8c1d0b5 100644
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@@ -6,6 +6,7 @@ package repo
 
 import (
 	"container/list"
+	"fmt"
 	"path"
 	"strings"
 
@@ -148,7 +149,7 @@ func checkPullInfo(ctx *context.Context) *models.Issue {
 		}
 		return nil
 	}
-	ctx.Data["Title"] = issue.Title
+	ctx.Data["Title"] = fmt.Sprintf("#%d - %s", issue.Index, issue.Title)
 	ctx.Data["Issue"] = issue
 
 	if !issue.IsPull {