diff --git a/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgument.cs b/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgument.cs
index f7049de3..a6552b47 100644
--- a/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgument.cs
+++ b/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgument.cs
@@ -22,7 +22,7 @@ public static TArgument GetValidatedArgument<TArgument>(this IResolveFieldContex
     {
         var argument = context.GetArgument(name, defaultValue);
         var validatorCache = context.GetCache();
-        ArgumentValidation.Validate(validatorCache, typeof(TArgument), argument, context.UserContext, context.Schema as IServiceProvider);
+        ArgumentValidation.Validate(validatorCache, typeof(TArgument), argument, context.UserContext, context.RequestServices);
         return argument!;
     }
 
@@ -43,7 +43,7 @@ public static object GetValidatedArgument(this IResolveFieldContext context, Typ
     {
         var argument = context.GetArgument(argumentType, name, defaultValue);
         var validatorCache = context.GetCache();
-        ArgumentValidation.Validate(validatorCache, argumentType, argument, context.UserContext, context.Schema as IServiceProvider);
+        ArgumentValidation.Validate(validatorCache, argumentType, argument, context.UserContext, context.RequestServices);
         return argument!;
     }
 }
\ No newline at end of file
diff --git a/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgumentAsync.cs b/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgumentAsync.cs
index 102943bd..59866c9c 100644
--- a/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgumentAsync.cs
+++ b/src/GraphQL.FluentValidation/FluentValidationExtensions_GetArgumentAsync.cs
@@ -22,7 +22,7 @@ public static async Task<TArgument> GetValidatedArgumentAsync<TArgument>(this IR
     {
         var argument = context.GetArgument(name, defaultValue);
         var validatorCache = context.GetCache();
-        await ArgumentValidation.ValidateAsync(validatorCache, typeof(TArgument), argument, context.UserContext, context.Schema as IServiceProvider);
+        await ArgumentValidation.ValidateAsync(validatorCache, typeof(TArgument), argument, context.UserContext, context.RequestServices);
         return argument!;
     }
 
@@ -43,7 +43,7 @@ public static async Task<object> GetValidatedArgumentAsync(this IResolveFieldCon
     {
         var argument = context.GetArgument(argumentType, name, defaultValue);
         var validatorCache = context.GetCache();
-        await ArgumentValidation.ValidateAsync(validatorCache, argumentType, argument, context.UserContext, context.Schema as IServiceProvider);
+        await ArgumentValidation.ValidateAsync(validatorCache, argumentType, argument, context.UserContext, context.RequestServices);
         return argument!;
     }
 }
\ No newline at end of file