diff --git a/command/pr.go b/command/pr.go
index 11485860b..584fd3a8f 100644
--- a/command/pr.go
+++ b/command/pr.go
@@ -269,12 +269,11 @@ func prView(cmd *cobra.Command, args []string) error {
 		} else {
 			pr, err := api.PullRequestForBranch(apiClient, baseRepo, branchWithOwner)
 			if err != nil {
-				switch err.(type) {
-				case *api.NotFoundError:
+				var notFoundErr *api.NotFoundError
+				if errors.As(err, &notFoundErr) {
 					return fmt.Errorf("%s. To open a specific pull request use the pull request's number as an argument", err)
-				default:
-					return err
 				}
+				return err
 			}
 
 			openURL = pr.URL