diff --git a/routers/web/repo/compare.go b/routers/web/repo/compare.go
index f3b95b68fe..042b8ed692 100644
--- a/routers/web/repo/compare.go
+++ b/routers/web/repo/compare.go
@@ -845,6 +845,7 @@ func CompareDiff(ctx *context.Context) {
 		}
 	}
 
+	ctx.Data["IsProjectsEnabled"] = ctx.Repo.CanWrite(unit.TypeProjects)
 	ctx.Data["IsAttachmentEnabled"] = setting.Attachment.Enabled
 	upload.AddUploadContext(ctx, "comment")
 
diff --git a/routers/web/repo/pull.go b/routers/web/repo/pull.go
index 39f9cefa5c..a7e703d01c 100644
--- a/routers/web/repo/pull.go
+++ b/routers/web/repo/pull.go
@@ -1387,7 +1387,7 @@ func CompareAndPullRequestPost(ctx *context.Context) {
 		return
 	}
 
-	labelIDs, assigneeIDs, milestoneID, _ := ValidateRepoMetas(ctx, *form, true)
+	labelIDs, assigneeIDs, milestoneID, projectID := ValidateRepoMetas(ctx, *form, true)
 	if ctx.Written() {
 		return
 	}
@@ -1465,6 +1465,17 @@ func CompareAndPullRequestPost(ctx *context.Context) {
 		return
 	}
 
+	if projectID > 0 {
+		if !ctx.Repo.CanWrite(unit.TypeProjects) {
+			ctx.Error(http.StatusBadRequest, "user hasn't the permission to write to projects")
+			return
+		}
+		if err := issues_model.ChangeProjectAssign(ctx, pullIssue, ctx.Doer, projectID); err != nil {
+			ctx.ServerError("ChangeProjectAssign", err)
+			return
+		}
+	}
+
 	log.Trace("Pull request created: %d/%d", repo.ID, pullIssue.ID)
 	ctx.JSONRedirect(pullIssue.Link())
 }