diff --git a/internal/controller/oauth_controller_test.go b/internal/controller/oauth_controller_test.go
index c843eaf9..80939ab2 100644
--- a/internal/controller/oauth_controller_test.go
+++ b/internal/controller/oauth_controller_test.go
@@ -113,14 +113,6 @@ func TestOAuthController_isRedirectSafe(t *testing.T) {
 			redirectURI:       "https:/malicious",
 			expected:          false,
 		},
-		{
-			description:       "Redirect URI without scheme returns false",
-			appURL:            "https://tinyauth.example.com",
-			cookieDomain:      "example.com",
-			subdomainsEnabled: true,
-			redirectURI:       "tinyauth.example.com",
-			expected:          false,
-		},
 		{
 			description:       "Relative redirect URI returns false",
 			appURL:            "https://tinyauth.example.com",
diff --git a/pkg/validators/domain_validator.go b/pkg/validators/domain_validator.go
index adeb7a85..c16966f4 100644
--- a/pkg/validators/domain_validator.go
+++ b/pkg/validators/domain_validator.go
@@ -63,7 +63,7 @@ func (v *DomainValidator) getURL(i string) (*url.URL, error) {
 		return nil, ErrInvalidURL
 	}
 
-	if v.opts.WithPort && !v.opts.WithScheme && u.Port() == "" {
+	if v.opts.WithPort && u.Port() == "" && (u.Scheme != "http" && u.Scheme != "https") {
 		return nil, fmt.Errorf("port validation is enabled but port is missing in input url and schemes are not enabled")
 	}
 
diff --git a/pkg/validators/domain_validator_test.go b/pkg/validators/domain_validator_test.go
index a3df8701..9789b139 100644
--- a/pkg/validators/domain_validator_test.go
+++ b/pkg/validators/domain_validator_test.go
@@ -104,6 +104,24 @@ func TestDomainValidator_SafeHostname(t *testing.T) {
 				assert.ErrorContains(t, e, "input url is missing scheme")
 			},
 		},
+		{
+			description: "With port enabled but without scheme and url with https should work",
+			options:     DomainValidatorOptions{WithPort: true},
+			input:       "https://example.com",
+			expected:    "example.com",
+		},
+		{
+			description: "With port enabled but without scheme and url with http should work",
+			options:     DomainValidatorOptions{WithPort: true},
+			input:       "http://example.com",
+			expected:    "example.com",
+		},
+		{
+			description: "With port enabled but without scheme and url with port should work",
+			options:     DomainValidatorOptions{WithPort: true},
+			input:       "example.com:8080",
+			expected:    "example.com",
+		},
 	}
 
 	for _, test := range tests {
@@ -194,7 +212,7 @@ func TestDomainValidator_Validate(t *testing.T) {
 			expected:    "ssh://example.com:22",
 			actual:      "ssh://example.com",
 			errorFunc: func(t *testing.T, e error) {
-				assert.ErrorContains(t, e, "failed to get effective port for url")
+				assert.ErrorContains(t, e, "port validation is enabled but port is missing in input url and schemes are not enabled")
 			},
 		},
 		{
@@ -203,9 +221,21 @@ func TestDomainValidator_Validate(t *testing.T) {
 			expected:    "ssh://example.com",
 			actual:      "ssh://example.com:22",
 			errorFunc: func(t *testing.T, e error) {
-				assert.ErrorContains(t, e, "failed to get effective port for url")
+				assert.ErrorContains(t, e, "port validation is enabled but port is missing in input url and schemes are not enabled")
 			},
 		},
+		{
+			description: "Port enabled but no scheme and https scheme should pass",
+			options:     DomainValidatorOptions{WithPort: true},
+			expected:    "https://example.com",
+			actual:      "https://example.com",
+		},
+		{
+			description: "Port enabled but no scheme and http scheme should pass",
+			options:     DomainValidatorOptions{WithPort: true},
+			expected:    "http://example.com",
+			actual:      "http://example.com",
+		},
 		{
 			description: "Port validation with port and no scheme should fail with different port",
 			options:     DomainValidatorOptions{WithPort: true},