diff --git a/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
index 50b28a8312..1bcd26d8d4 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
@@ -110,8 +110,8 @@ namespace SixLabors.ImageSharp.Processing.Processors
                 return;
             }
 
-            int maxX = source.Height - 1;
-            int maxY = source.Width - 1;
+            int maxX = source.Width - 1;
+            int maxY = source.Height - 1;
 
             Parallel.For(
                 0,
diff --git a/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
index 2330559951..ba156c6743 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
@@ -82,8 +82,8 @@ namespace SixLabors.ImageSharp.Processing.Processors
                 return;
             }
 
-            int maxX = source.Height - 1;
-            int maxY = source.Width - 1;
+            int maxX = source.Width - 1;
+            int maxY = source.Height - 1;
 
             Parallel.For(
                 0,