diff --git a/cmd/web.go b/cmd/web.go
index b1d8b0fc84..1378cc3eca 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -520,9 +520,10 @@ func runWeb(ctx *cli.Context) {
 			m.Get("/src/*", repo.Home)
 			m.Get("/raw/*", repo.SingleDownload)
 			m.Get("/commits/*", repo.RefCommits)
-			m.Get("/commit/*", repo.Diff)
+			m.Get("/commit/:sha([a-z0-9]{40})$", repo.Diff)
 			m.Get("/forks", repo.Forks)
 		}, context.RepoRef())
+		m.Get("/commit/:sha([a-z0-9]{40})\\.:ext(patch|diff)", repo.RawDiff)
 
 		m.Get("/compare/:before([a-z0-9]{40})\\.\\.\\.:after([a-z0-9]{40})", repo.CompareDiff)
 	}, ignSignIn, context.RepoAssignment(), repo.MustBeNotBare)
diff --git a/gogs.go b/gogs.go
index 43bc7a68b1..cc3c436ffe 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.9.13.0319"
+const APP_VER = "0.9.13.0321"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
diff --git a/routers/repo/commit.go b/routers/repo/commit.go
index 97584c4d1a..16f7b63d40 100644
--- a/routers/repo/commit.go
+++ b/routers/repo/commit.go
@@ -148,9 +148,14 @@ func Diff(ctx *context.Context) {
 
 	userName := ctx.Repo.Owner.Name
 	repoName := ctx.Repo.Repository.Name
-	commitID := ctx.Repo.CommitID
+	commitID := ctx.Params(":sha")
+
+	commit, err := ctx.Repo.GitRepo.GetCommit(commitID)
+	if err != nil {
+		ctx.Handle(500, "Repo.GitRepo.GetCommit", err)
+		return
+	}
 
-	commit := ctx.Repo.Commit
 	diff, err := models.GetDiffCommit(models.RepoPath(userName, repoName),
 		commitID, setting.Git.MaxGitDiffLines)
 	if err != nil {
@@ -168,6 +173,7 @@ func Diff(ctx *context.Context) {
 		}
 	}
 
+	ctx.Data["CommitID"] = commitID
 	ctx.Data["IsSplitStyle"] = ctx.Query("style") == "split"
 	ctx.Data["Username"] = userName
 	ctx.Data["Reponame"] = repoName
@@ -187,6 +193,10 @@ func Diff(ctx *context.Context) {
 	ctx.HTML(200, DIFF)
 }
 
+func RawDiff(ctx *context.Context) {
+	panic("not implemented")
+}
+
 func CompareDiff(ctx *context.Context) {
 	ctx.Data["IsRepoToolbarCommits"] = true
 	ctx.Data["IsDiffCompare"] = true
diff --git a/routers/repo/http.go b/routers/repo/http.go
index b273b2334e..46e4508980 100644
--- a/routers/repo/http.go
+++ b/routers/repo/http.go
@@ -511,7 +511,7 @@ func gitCommand(gitBinPath, dir string, args ...string) []byte {
 	out, err := command.Output()
 
 	if err != nil {
-		log.GitLogger.Error(4, err.Error())
+		log.GitLogger.Error(4, fmt.Sprintf("%v - %s", err, out))
 	}
 
 	return out
diff --git a/templates/.VERSION b/templates/.VERSION
index 6a20966ed1..f983a7d616 100644
--- a/templates/.VERSION
+++ b/templates/.VERSION
@@ -1 +1 @@
-0.9.13.0319
\ No newline at end of file
+0.9.13.0321
\ No newline at end of file