diff --git a/src/Umbraco.Web.Common/Security/ConfigureFormOptions.cs b/src/Umbraco.Web.Common/Security/ConfigureFormOptions.cs
index 938830d5e3dc..08e58347837c 100644
--- a/src/Umbraco.Web.Common/Security/ConfigureFormOptions.cs
+++ b/src/Umbraco.Web.Common/Security/ConfigureFormOptions.cs
@@ -14,6 +14,6 @@ public void Configure(FormOptions options) =>
 
         // convert from KB to bytes
         options.MultipartBodyLengthLimit = _runtimeSettings.Value.MaxRequestLength.HasValue
-            ? _runtimeSettings.Value.MaxRequestLength.Value * 1024
+            ? (long)_runtimeSettings.Value.MaxRequestLength.Value * 1024
             : long.MaxValue;
 }
diff --git a/src/Umbraco.Web.Common/Security/ConfigureKestrelServerOptions.cs b/src/Umbraco.Web.Common/Security/ConfigureKestrelServerOptions.cs
index f388be0391c2..cd40331720db 100644
--- a/src/Umbraco.Web.Common/Security/ConfigureKestrelServerOptions.cs
+++ b/src/Umbraco.Web.Common/Security/ConfigureKestrelServerOptions.cs
@@ -15,6 +15,6 @@ public void Configure(KestrelServerOptions options) =>
 
         // convert from KB to bytes, 52428800 bytes (50 MB) is the same as in the IIS settings
         options.Limits.MaxRequestBodySize = _runtimeSettings.Value.MaxRequestLength.HasValue
-            ? _runtimeSettings.Value.MaxRequestLength.Value * 1024
+            ? (long)_runtimeSettings.Value.MaxRequestLength.Value * 1024
             : 52428800;
 }