diff --git a/src/Umbraco.Infrastructure/Media/ImageSharpImageUrlGenerator.cs b/src/Umbraco.Infrastructure/Media/ImageSharpImageUrlGenerator.cs
index 0d5f5202b0..084dee0177 100644
--- a/src/Umbraco.Infrastructure/Media/ImageSharpImageUrlGenerator.cs
+++ b/src/Umbraco.Infrastructure/Media/ImageSharpImageUrlGenerator.cs
@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Globalization;
 using System.Text;
 using Umbraco.Cms.Core.Media;
@@ -61,6 +61,7 @@ namespace Umbraco.Cms.Infrastructure.Media
             imageProcessorUrl.Append(options.Crop.Y1.ToString(CultureInfo.InvariantCulture)).Append(",");
             imageProcessorUrl.Append(options.Crop.X2.ToString(CultureInfo.InvariantCulture)).Append(",");
             imageProcessorUrl.Append(options.Crop.Y2.ToString(CultureInfo.InvariantCulture));
+            imageProcessorUrl.Append("&cropmode=percentage");
         }
     }
 }
diff --git a/src/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Media/ImageSharpImageUrlGeneratorTests.cs b/src/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Media/ImageSharpImageUrlGeneratorTests.cs
index fcf466411d..db46b6a827 100644
--- a/src/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Media/ImageSharpImageUrlGeneratorTests.cs
+++ b/src/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Media/ImageSharpImageUrlGeneratorTests.cs
@@ -20,7 +20,7 @@ namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Infrastructure.Media
         public void GetCropUrl_CropAliasTest()
         {
             var urlString = s_generator.GetImageUrl(new ImageUrlGenerationOptions(MediaPath) { Crop = s_crop, Width = 100, Height = 100 });
-            Assert.AreEqual(MediaPath + "?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&width=100&height=100", urlString);
+            Assert.AreEqual(MediaPath + "?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&cropmode=percentage&width=100&height=100", urlString);
         }
 
         [Test]
@@ -71,7 +71,7 @@ namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Infrastructure.Media
         public void GetBaseCropUrlFromModelTest()
         {
             var urlString = s_generator.GetImageUrl(new ImageUrlGenerationOptions(null) { Crop = s_crop, Width = 100, Height = 100 });
-            Assert.AreEqual("?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&width=100&height=100", urlString);
+            Assert.AreEqual("?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&cropmode=percentage&width=100&height=100", urlString);
         }
 
         /// <summary>
@@ -81,7 +81,7 @@ namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Infrastructure.Media
         public void GetCropUrl_CropAliasHeightRatioModeTest()
         {
             var urlString = s_generator.GetImageUrl(new ImageUrlGenerationOptions(MediaPath) { Crop = s_crop, Width = 100, HeightRatio = 1 });
-            Assert.AreEqual(MediaPath + "?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&heightratio=1&width=100", urlString);
+            Assert.AreEqual(MediaPath + "?crop=0.58729977382575338,0.055768992440203169,0,0.32457553600198386&cropmode=percentage&heightratio=1&width=100", urlString);
         }
 
         /// <summary>