diff --git a/src/OrchardCore/OrchardCore.Autoroute.Core/Services/AutorouteEntries.cs b/src/OrchardCore/OrchardCore.Autoroute.Core/Services/AutorouteEntries.cs
index 1f984e15e05..34224cec280 100644
--- a/src/OrchardCore/OrchardCore.Autoroute.Core/Services/AutorouteEntries.cs
+++ b/src/OrchardCore/OrchardCore.Autoroute.Core/Services/AutorouteEntries.cs
@@ -34,6 +34,8 @@ public AutorouteEntries(IVolatileDocumentManager<AutorouteStateDocument> autorou
 
         public async Task<(bool, AutorouteEntry)> TryGetEntryByPathAsync(string path)
         {
+            ArgumentException.ThrowIfNullOrEmpty(path);
+
             await EnsureInitializedAsync();
 
             if (_contentItemIds.TryGetValue(path.TrimEnd('/'), out var entry))
@@ -46,6 +48,8 @@ public AutorouteEntries(IVolatileDocumentManager<AutorouteStateDocument> autorou
 
         public async Task<(bool, AutorouteEntry)> TryGetEntryByContentItemIdAsync(string contentItemId)
         {
+            ArgumentException.ThrowIfNullOrEmpty(contentItemId);
+
             await EnsureInitializedAsync();
 
             if (_paths.TryGetValue(contentItemId, out var entry))