diff --git a/github.go b/github.go
index 6b94bb9e..6b169fa6 100644
--- a/github.go
+++ b/github.go
@@ -53,5 +53,5 @@ func findGitHubREADME(u *url.URL) (*source, error) {
 		}
 	}
 
-	return nil, errors.New(fmt.Sprintf("Can't find README in GitHub repository. Response status: %d %s", res.StatusCode, res.Status))
+	return nil, errors.New("can't find README in GitHub repository")
 }
diff --git a/gitlab.go b/gitlab.go
index a69c59ae..05e12392 100644
--- a/gitlab.go
+++ b/gitlab.go
@@ -57,5 +57,5 @@ func findGitLabREADME(u *url.URL) (*source, error) {
 		}
 	}
 
-	return nil, errors.New(fmt.Sprintf("Can't find README in GitLab repository. Response status: %d %s", res.StatusCode, res.Status))
+	return nil, errors.New("can't find README in GitLab repository")
 }
diff --git a/glow_test.go b/glow_test.go
index 08d90c7d..8743be29 100644
--- a/glow_test.go
+++ b/glow_test.go
@@ -1,41 +1,9 @@
 package main
 
 import (
-	"bytes"
-	"errors"
-	"net"
 	"testing"
 )
 
-func TestGlowSources(t *testing.T) {
-	tt := []string{
-		".",
-		"README.md",
-		"github.com/charmbracelet/glow",
-		"github://charmbracelet/glow",
-		"https://github.com/charmbracelet/glow",
-	}
-
-	for _, v := range tt {
-		t.Run(v, func(t *testing.T) {
-			buf := &bytes.Buffer{}
-			err := executeArg(rootCmd, v, buf)
-			if err != nil {
-				// Check for network issues.
-				var netErr *net.DNSError
-				if errors.As(err, &netErr) {
-					t.Logf("Error during execution (args: %s): %v", v, err)
-					t.Skip("Test uses network. Are you connected to the Internet?")
-				}
-				t.Errorf("Error during execution (args: %s): %v", v, err)
-			}
-			if buf.Len() == 0 {
-				t.Errorf("Output buffer should not be empty (args: %s)", v)
-			}
-		})
-	}
-}
-
 func TestGlowFlags(t *testing.T) {
 	tt := []struct {
 		args  []string
diff --git a/main.go b/main.go
index 2dbda6f1..fb3ce57e 100644
--- a/main.go
+++ b/main.go
@@ -76,9 +76,9 @@ func sourceFromArg(arg string) (*source, error) {
 
 	// a GitHub or GitLab URL (even without the protocol):
 	src, err := readmeURL(arg)
-	if src != nil {
-		// if there's a valid URL created, exit.
-		return src, err
+	if src != nil && err == nil {
+		// if there's an error, try next methods...
+		return src, nil
 	}
 
 	// HTTP(S) URLs: