diff --git a/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs b/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
index 9a1ecead89b2..1ef672270ef8 100644
--- a/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
+++ b/src/Umbraco.Cms.Imaging.ImageSharp/ConfigureImageSharpMiddlewareOptions.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Headers;
 using Microsoft.Extensions.Options;
@@ -48,16 +49,26 @@ public void Configure(ImageSharpMiddlewareOptions options)
                 return Task.CompletedTask;
             }
 
-            int width = context.Parser.ParseValue<int>(context.Commands.GetValueOrDefault(ResizeWebProcessor.Width), context.Culture);
-            if (width <= 0 || width > _imagingSettings.Resize.MaxWidth)
+            if (context.Commands.Contains(ResizeWebProcessor.Width))
             {
-                context.Commands.Remove(ResizeWebProcessor.Width);
+                if (!int.TryParse(context.Commands.GetValueOrDefault(ResizeWebProcessor.Width), NumberStyles.Integer,
+                    CultureInfo.InvariantCulture, out var width)
+                || width < 0
+                || width >= _imagingSettings.Resize.MaxWidth)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Width);
+                }
             }
 
-            int height = context.Parser.ParseValue<int>(context.Commands.GetValueOrDefault(ResizeWebProcessor.Height), context.Culture);
-            if (height <= 0 || height > _imagingSettings.Resize.MaxHeight)
+            if (context.Commands.Contains(ResizeWebProcessor.Height))
             {
-                context.Commands.Remove(ResizeWebProcessor.Height);
+                if (!int.TryParse(context.Commands.GetValueOrDefault(ResizeWebProcessor.Height), NumberStyles.Integer,
+                    CultureInfo.InvariantCulture, out var height)
+                || height < 0
+                || height >= _imagingSettings.Resize.MaxHeight)
+                {
+                    context.Commands.Remove(ResizeWebProcessor.Height);
+                }
             }
 
             return Task.CompletedTask;