diff --git a/Gems/GradientSignal/Code/Source/GradientImageConversion.cpp b/Gems/GradientSignal/Code/Source/GradientImageConversion.cpp
index 4ed3ff1718..fdb3d77674 100644
--- a/Gems/GradientSignal/Code/Source/GradientImageConversion.cpp
+++ b/Gems/GradientSignal/Code/Source/GradientImageConversion.cpp
@@ -259,7 +259,7 @@ namespace
         for (AZStd::size_t i = 0; i < channels; ++i)
         {
             min = AZStd::min(min, Lerp(min, 
-                arr[i], IsActive(i, mask)));
+                arr[i], IsActive(static_cast<AZ::u8>(i), mask)));
         }
 
         return min;
@@ -273,7 +273,7 @@ namespace
         for (AZStd::size_t i = 0; i < channels; ++i)
         {
             max = AZStd::max(max, Lerp(max, 
-                arr[i], IsActive(i, mask)));
+                arr[i], IsActive(static_cast<AZ::u8>(i), mask)));
         }
 
         return max;
@@ -287,7 +287,7 @@ namespace
 
         for (AZStd::size_t i = 0; i < channels; ++i)
         {
-            AZ::u8 result = IsActive(i, mask);
+            AZ::u8 result = IsActive(static_cast<AZ::u8>(i), mask);
             total += result * arr[i];
             active += result;
         }
@@ -493,7 +493,7 @@ namespace GradientSignal
         newAsset->m_imageFormat = OperationHelper(settings.m_rgbTransform, newAsset->m_imageFormat, mask, settings.m_alphaTransform, newAsset->m_imageData);
         newAsset->m_imageFormat = ConvertBufferType(newAsset->m_imageData, newAsset->m_imageFormat, ExportFormatToPixelFormat(settings.m_format), 
             settings.m_autoScale, AZStd::make_pair(settings.m_scaleRangeMin, settings.m_scaleRangeMax));
-        newAsset->m_bytesPerPixel = newAsset->m_imageData.size() / aznumeric_cast<AZStd::size_t>(newAsset->m_imageWidth * newAsset->m_imageHeight);
+        newAsset->m_bytesPerPixel = static_cast<AZ::u8>(newAsset->m_imageData.size() / aznumeric_cast<AZStd::size_t>(newAsset->m_imageWidth * newAsset->m_imageHeight));
 
         return newAsset;
     }
diff --git a/Gems/GradientSignal/Code/Tests/ImageAssetTests.cpp b/Gems/GradientSignal/Code/Tests/ImageAssetTests.cpp
index 54ca51f579..c5b003bf3c 100644
--- a/Gems/GradientSignal/Code/Tests/ImageAssetTests.cpp
+++ b/Gems/GradientSignal/Code/Tests/ImageAssetTests.cpp
@@ -40,7 +40,7 @@ namespace
 
             asset.m_imageWidth = dimensions;
             asset.m_imageHeight = dimensions;
-            asset.m_bytesPerPixel = bytesPerPixel;
+            asset.m_bytesPerPixel = static_cast<AZ::u8>(bytesPerPixel);
             asset.m_imageFormat = format;
             asset.m_imageData.resize(asset.m_bytesPerPixel * asset.m_imageWidth * asset.m_imageHeight);