diff --git a/api/queries_pr.go b/api/queries_pr.go
index 6e5306f78..b3d380240 100644
--- a/api/queries_pr.go
+++ b/api/queries_pr.go
@@ -962,13 +962,12 @@ func PullRequestReady(client *Client, repo ghrepo.Interface, pr *PullRequest) er
 		} `graphql:"markPullRequestReadyForReview(input: $input)"`
 	}
 
-	input := struct {
-		// ID of the pull request to be reopened. (Required.)
+	type MarkPullRequestReadyForReviewInput struct {
 		PullRequestID githubv4.ID `json:"pullRequestId"`
-	}{
-		PullRequestID: pr.ID,
 	}
 
+	input := MarkPullRequestReadyForReviewInput{PullRequestID: pr.ID}
+
 	v4 := githubv4.NewClient(client.http)
 	err := v4.Mutate(context.Background(), &mutation, input, nil)
 
diff --git a/command/pr.go b/command/pr.go
index fdf957c3b..26b2bc76d 100644
--- a/command/pr.go
+++ b/command/pr.go
@@ -569,9 +569,26 @@ func prReady(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	pr, err := prFromArg(apiClient, baseRepo, args[0])
-	if err != nil {
-		return err
+	var pr *api.PullRequest
+	if len(args) > 0 {
+		pr, err = prFromArg(apiClient, baseRepo, args[0])
+		if err != nil {
+			return err
+		}
+	} else {
+		prNumber, branchWithOwner, err := prSelectorForCurrentBranch(ctx, baseRepo)
+		if err != nil {
+			return err
+		}
+
+		if prNumber != 0 {
+			pr, err = api.PullRequestByNumber(apiClient, baseRepo, prNumber)
+		} else {
+			pr, err = api.PullRequestForBranch(apiClient, baseRepo, "", branchWithOwner)
+		}
+		if err != nil {
+			return err
+		}
 	}
 
 	// if pr.State == "MERGED" {