diff --git a/pkg/cmd/pr/merge/http.go b/pkg/cmd/pr/merge/http.go
index f6c3d4c08..ad1a9a78a 100644
--- a/pkg/cmd/pr/merge/http.go
+++ b/pkg/cmd/pr/merge/http.go
@@ -69,7 +69,7 @@ func mergePullRequest(client *http.Client, payload mergePayload) error {
 
 	if payload.auto {
 		var mutation struct {
-			AnablePullRequestAutoMerge struct {
+			EnablePullRequestAutoMerge struct {
 				ClientMutationId string
 			} `graphql:"enablePullRequestAutoMerge(input: $input)"`
 		}
diff --git a/pkg/cmd/pr/merge/merge.go b/pkg/cmd/pr/merge/merge.go
index e204ce6cd..f2923573c 100644
--- a/pkg/cmd/pr/merge/merge.go
+++ b/pkg/cmd/pr/merge/merge.go
@@ -32,7 +32,7 @@ type MergeOptions struct {
 	DeleteBranch bool
 	MergeMethod  PullRequestMergeMethod
 
-	AutoMerge        bool
+	AutoMergeEnable  bool
 	AutoMergeDisable bool
 
 	Body    string
@@ -115,7 +115,7 @@ func NewCmdMerge(f *cmdutil.Factory, runF func(*MergeOptions) error) *cobra.Comm
 	cmd.Flags().BoolVarP(&flagMerge, "merge", "m", false, "Merge the commits with the base branch")
 	cmd.Flags().BoolVarP(&flagRebase, "rebase", "r", false, "Rebase the commits onto the base branch")
 	cmd.Flags().BoolVarP(&flagSquash, "squash", "s", false, "Squash the commits into one commit and merge it into the base branch")
-	cmd.Flags().BoolVar(&opts.AutoMerge, "auto", false, "Automatically merge only after necessary requirements are met")
+	cmd.Flags().BoolVar(&opts.AutoMergeEnable, "auto", false, "Automatically merge only after necessary requirements are met")
 	cmd.Flags().BoolVar(&opts.AutoMergeDisable, "disable-auto", false, "Disable auto-merge for this pull request")
 	return cmd
 }
@@ -171,7 +171,7 @@ func mergeRun(opts *MergeOptions) error {
 			repo:          baseRepo,
 			pullRequestID: pr.ID,
 			method:        opts.MergeMethod,
-			auto:          opts.AutoMerge,
+			auto:          opts.AutoMergeEnable,
 			commitBody:    opts.Body,
 			setCommitBody: opts.BodySet,
 		}
@@ -254,7 +254,7 @@ func mergeRun(opts *MergeOptions) error {
 				fmt.Fprintf(opts.IO.ErrOut, "%s %s pull request #%d (%s)\n", cs.SuccessIconWithColor(cs.Magenta), action, pr.Number, pr.Title)
 			}
 		}
-	} else if !opts.IsDeleteBranchIndicated && opts.InteractiveMode && !crossRepoPR && !opts.AutoMerge {
+	} else if !opts.IsDeleteBranchIndicated && opts.InteractiveMode && !crossRepoPR && !opts.AutoMergeEnable {
 		err := prompt.SurveyAskOne(&survey.Confirm{
 			Message: fmt.Sprintf("Pull request #%d was already merged. Delete the branch locally?", pr.Number),
 			Default: false,
@@ -266,7 +266,7 @@ func mergeRun(opts *MergeOptions) error {
 		fmt.Fprintf(opts.IO.ErrOut, "%s Pull request #%d was already merged\n", cs.WarningIcon(), pr.Number)
 	}
 
-	if !deleteBranch || crossRepoPR || opts.AutoMerge {
+	if !deleteBranch || crossRepoPR || opts.AutoMergeEnable {
 		return nil
 	}
 
diff --git a/pkg/cmd/pr/merge/merge_test.go b/pkg/cmd/pr/merge/merge_test.go
index 38d66f909..90e8d69c2 100644
--- a/pkg/cmd/pr/merge/merge_test.go
+++ b/pkg/cmd/pr/merge/merge_test.go
@@ -801,3 +801,87 @@ func Test_mergeMethodSurvey(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, PullRequestMergeMethodRebase, method)
 }
+
+func TestMergeRun_autoMerge(t *testing.T) {
+	io, _, stdout, stderr := iostreams.Test()
+	io.SetStdoutTTY(true)
+	io.SetStderrTTY(true)
+
+	tr := initFakeHTTP()
+	defer tr.Verify(t)
+
+	tr.Register(
+		httpmock.GraphQL(`query PullRequestByNumber\b`),
+		httpmock.StringResponse(`
+		{ "data": { "repository": { "pullRequest": {
+			"id": "THE-ID",
+			"number": 123,
+			"title": "The title of the PR",
+			"state": "OPEN",
+			"headRefName": "blueberries",
+			"headRepositoryOwner": {"login": "OWNER"}
+		} } } }`))
+	tr.Register(
+		httpmock.GraphQL(`mutation PullRequestAutoMerge\b`),
+		httpmock.GraphQLMutation(`{}`, func(input map[string]interface{}) {
+			assert.Equal(t, "THE-ID", input["pullRequestId"].(string))
+			assert.Equal(t, "SQUASH", input["mergeMethod"].(string))
+		}))
+
+	_, cmdTeardown := run.Stub()
+	defer cmdTeardown(t)
+
+	err := mergeRun(&MergeOptions{
+		IO: io,
+		HttpClient: func() (*http.Client, error) {
+			return &http.Client{Transport: tr}, nil
+		},
+		SelectorArg:     "https://github.com/OWNER/REPO/pull/123",
+		AutoMergeEnable: true,
+		MergeMethod:     PullRequestMergeMethodSquash,
+	})
+	assert.NoError(t, err)
+
+	assert.Equal(t, "", stdout.String())
+	assert.Equal(t, "✓ Pull request #123 will be automatically merged via squash when all requirements are met\n", stderr.String())
+}
+
+func TestMergeRun_disableAutoMerge(t *testing.T) {
+	io, _, stdout, stderr := iostreams.Test()
+	io.SetStdoutTTY(true)
+	io.SetStderrTTY(true)
+
+	tr := initFakeHTTP()
+	defer tr.Verify(t)
+
+	tr.Register(
+		httpmock.GraphQL(`query PullRequestByNumber\b`),
+		httpmock.StringResponse(`
+		{ "data": { "repository": { "pullRequest": {
+			"id": "THE-ID",
+			"number": 123,
+			"title": "The title of the PR",
+			"state": "OPEN",
+			"headRefName": "blueberries",
+			"headRepositoryOwner": {"login": "OWNER"}
+		} } } }`))
+	tr.Register(
+		httpmock.GraphQL(`mutation PullRequestAutoMergeDisable\b`),
+		httpmock.StringResponse(`{}`))
+
+	_, cmdTeardown := run.Stub()
+	defer cmdTeardown(t)
+
+	err := mergeRun(&MergeOptions{
+		IO: io,
+		HttpClient: func() (*http.Client, error) {
+			return &http.Client{Transport: tr}, nil
+		},
+		SelectorArg:      "https://github.com/OWNER/REPO/pull/123",
+		AutoMergeDisable: true,
+	})
+	assert.NoError(t, err)
+
+	assert.Equal(t, "", stdout.String())
+	assert.Equal(t, "✓ Auto-merge disabled for pull request #123\n", stderr.String())
+}