diff --git a/command/pr_checkout_test.go b/command/pr_checkout_test.go
index 501af2447..16b7429be 100644
--- a/command/pr_checkout_test.go
+++ b/command/pr_checkout_test.go
@@ -76,8 +76,6 @@ func TestPRCheckout_urlArg(t *testing.T) {
 		return ctx
 	}
 	http := initFakeHTTP()
-	http.StubRepoResponse("hubot", "REPO")
-
 	http.StubResponse(200, bytes.NewBufferString(`
 	{ "data": { "repository": { "pullRequest": {
 		"number": 123,
@@ -126,7 +124,6 @@ func TestPRCheckout_urlArg_differentBase(t *testing.T) {
 		return ctx
 	}
 	http := initFakeHTTP()
-	http.StubRepoResponse("OWNER", "REPO")
 	http.StubResponse(200, bytes.NewBufferString(`
 	{ "data": { "repository": { "pullRequest": {
 		"number": 123,
@@ -161,7 +158,7 @@ func TestPRCheckout_urlArg_differentBase(t *testing.T) {
 	eq(t, err, nil)
 	eq(t, output.String(), "")
 
-	bodyBytes, _ := ioutil.ReadAll(http.Requests[1].Body)
+	bodyBytes, _ := ioutil.ReadAll(http.Requests[0].Body)
 	reqBody := struct {
 		Variables struct {
 			Owner string
diff --git a/command/pr_lookup.go b/command/pr_lookup.go
index 7f9a86955..a1b0c9638 100644
--- a/command/pr_lookup.go
+++ b/command/pr_lookup.go
@@ -14,32 +14,37 @@ import (
 )
 
 func prFromArgs(ctx context.Context, apiClient *api.Client, cmd *cobra.Command, args []string) (*api.PullRequest, ghrepo.Interface, error) {
+	if len(args) == 1 {
+		// First check to see if the prString is a url, return repo from url if found. This
+		// is run first because we don't need to run determineBaseRepo for this path
+		prString := args[0]
+		pr, r, err := prFromURL(ctx, apiClient, prString)
+		if pr != nil || err != nil {
+			return pr, r, err
+		}
+	}
+
 	repo, err := determineBaseRepo(apiClient, cmd, ctx)
 	if err != nil {
 		return nil, nil, fmt.Errorf("could not determine base repo: %w", err)
 	}
 
+	// If there are no args see if we can guess the PR from the current branch
 	if len(args) == 0 {
 		pr, err := prForCurrentBranch(ctx, apiClient, repo)
 		return pr, repo, err
-	}
+	} else {
+		prString := args[0]
+		// Next see if the prString is a number and use that to look up the url
+		pr, err := prFromNumberString(ctx, apiClient, repo, prString)
+		if pr != nil || err != nil {
+			return pr, repo, err
+		}
 
-	// First check to see if the prString is a url, return repo from url if found
-	prString := args[0]
-	pr, r, err := prFromURL(ctx, apiClient, prString)
-	if pr != nil || err != nil {
-		return pr, r, err
-	}
-
-	// Next see if the prString is a number and use that to look up the url
-	pr, err = prFromNumberString(ctx, apiClient, repo, prString)
-	if pr != nil || err != nil {
+		// Last see if it is a branch name
+		pr, err = api.PullRequestForBranch(apiClient, repo, "", prString)
 		return pr, repo, err
 	}
-
-	// Last see if it is a branch name
-	pr, err = api.PullRequestForBranch(apiClient, repo, "", prString)
-	return pr, repo, err
 }
 
 func prFromNumberString(ctx context.Context, apiClient *api.Client, repo ghrepo.Interface, s string) (*api.PullRequest, error) {
diff --git a/command/pr_review_test.go b/command/pr_review_test.go
index e2c54e715..612f6c574 100644
--- a/command/pr_review_test.go
+++ b/command/pr_review_test.go
@@ -50,7 +50,6 @@ func TestPRReview_bad_body(t *testing.T) {
 func TestPRReview_url_arg(t *testing.T) {
 	initBlankContext("", "OWNER/REPO", "master")
 	http := initFakeHTTP()
-	http.StubRepoResponse("OWNER", "REPO")
 	http.StubResponse(200, bytes.NewBufferString(`
 		{ "data": { "repository": { "pullRequest": {
 			"id": "foobar123",
@@ -77,7 +76,7 @@ func TestPRReview_url_arg(t *testing.T) {
 
 	test.ExpectLines(t, output.String(), "Approved pull request #123")
 
-	bodyBytes, _ := ioutil.ReadAll(http.Requests[2].Body)
+	bodyBytes, _ := ioutil.ReadAll(http.Requests[1].Body)
 	reqBody := struct {
 		Variables struct {
 			Input struct {
diff --git a/command/pr_test.go b/command/pr_test.go
index ef483c7d2..a11c60820 100644
--- a/command/pr_test.go
+++ b/command/pr_test.go
@@ -722,8 +722,6 @@ func TestPRView_web_numberArgWithHash(t *testing.T) {
 func TestPRView_web_urlArg(t *testing.T) {
 	initBlankContext("", "OWNER/REPO", "master")
 	http := initFakeHTTP()
-
-	http.StubRepoResponse("OWNER", "REPO")
 	http.StubResponse(200, bytes.NewBufferString(`
 		{ "data": { "repository": { "pullRequest": {
 			"url": "https://github.com/OWNER/REPO/pull/23"