diff --git a/src/Models/Remote.cs b/src/Models/Remote.cs
index f8980b5a..2f6c7dc1 100644
--- a/src/Models/Remote.cs
+++ b/src/Models/Remote.cs
@@ -50,7 +50,10 @@ namespace SourceGit.Models
                     return true;
             }
 
-            return url.StartsWith("file://", StringComparison.Ordinal) || Directory.Exists(url);
+            return url.StartsWith("file://", StringComparison.Ordinal) || 
+                url.StartsWith("./", StringComparison.Ordinal) ||
+                url.StartsWith("../", StringComparison.Ordinal) ||
+                Directory.Exists(url);
         }
 
         public bool TryGetVisitURL(out string url)
diff --git a/src/ViewModels/AddSubmodule.cs b/src/ViewModels/AddSubmodule.cs
index fa10315e..82a1f62a 100644
--- a/src/ViewModels/AddSubmodule.cs
+++ b/src/ViewModels/AddSubmodule.cs
@@ -34,17 +34,10 @@ namespace SourceGit.ViewModels
 
         public static ValidationResult ValidateURL(string url, ValidationContext ctx)
         {
-            if (ctx.ObjectInstance is AddSubmodule)
-            {
-                if (!Models.Remote.IsValidURL(url) &&
-                    !url.StartsWith("./", StringComparison.Ordinal) &&
-                    !url.StartsWith("../", StringComparison.Ordinal))
-                    return new ValidationResult("Invalid repository URL format");
-                
-                return ValidationResult.Success;
-            }
-            
-            return new ValidationResult("Missing validation context");
+            if (!Models.Remote.IsValidURL(url))
+                return new ValidationResult("Invalid repository URL format");
+
+            return ValidationResult.Success;
         }
 
         public override Task<bool> Sure()