diff --git a/models/issues/pull.go b/models/issues/pull.go
index 9f180f9ac950b..b83caa0521650 100644
--- a/models/issues/pull.go
+++ b/models/issues/pull.go
@@ -141,7 +141,7 @@ type PullRequest struct {
 	HeadCommitID        string `xorm:"-"`
 	BaseBranch          string
 	MergeBase           string `xorm:"VARCHAR(64)"`
-	AllowMaintainerEdit bool   `xorm:"NOT NULL DEFAULT false"`
+	AllowMaintainerEdit bool   `xorm:"NOT NULL DEFAULT true"`
 
 	HasMerged      bool               `xorm:"INDEX"`
 	MergedCommitID string             `xorm:"VARCHAR(64)"`
diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index bb6bda587db6c..93c09cd8bd4dc 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -905,7 +905,7 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 					AllowRebaseUpdate:             true,
 					DefaultDeleteBranchAfterMerge: false,
 					DefaultMergeStyle:             repo_model.MergeStyleMerge,
-					DefaultAllowMaintainerEdit:    false,
+					DefaultAllowMaintainerEdit:    true,
 				}
 			} else {
 				config = unit.PullRequestsConfig()
diff --git a/routers/web/repo/compare.go b/routers/web/repo/compare.go
index e034731e5cd54..f325ec07255e7 100644
--- a/routers/web/repo/compare.go
+++ b/routers/web/repo/compare.go
@@ -718,7 +718,7 @@ func CompareDiff(ctx *context.Context) {
 		config := unit.PullRequestsConfig()
 		ctx.Data["AllowMaintainerEdit"] = config.DefaultAllowMaintainerEdit
 	} else {
-		ctx.Data["AllowMaintainerEdit"] = false
+		ctx.Data["AllowMaintainerEdit"] = true
 	}
 
 	ctx.HTML(http.StatusOK, tplCompare)
diff --git a/services/convert/repository.go b/services/convert/repository.go
index 150c952b15dc3..61fbe75511088 100644
--- a/services/convert/repository.go
+++ b/services/convert/repository.go
@@ -102,7 +102,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR
 	autodetectManualMerge := false
 	defaultDeleteBranchAfterMerge := false
 	defaultMergeStyle := repo_model.MergeStyleMerge
-	defaultAllowMaintainerEdit := false
+	defaultAllowMaintainerEdit := true
 	defaultTargetBranch := ""
 	if unit, err := repo.GetUnit(ctx, unit_model.TypePullRequests); err == nil {
 		config := unit.PullRequestsConfig()