diff --git a/MatterControlLib/ApplicationView/Config/ThumbnailsConfig.cs b/MatterControlLib/ApplicationView/Config/ThumbnailsConfig.cs
index 9885bd4c1..2ca041bc3 100644
--- a/MatterControlLib/ApplicationView/Config/ThumbnailsConfig.cs
+++ b/MatterControlLib/ApplicationView/Config/ThumbnailsConfig.cs
@@ -92,17 +92,19 @@ namespace MatterHackers.MatterControl
 			var expectedCachePath = this.CachePath(libraryItem, width, height);
 
 			ImageBuffer cachedItem = LoadImage(expectedCachePath);
-			if(cachedItem != null)
+			if (cachedItem != null
+				&& cachedItem.Width > 0 && cachedItem.Height > 0)
 			{
 				cachedItem.SetRecieveBlender(new BlenderPreMultBGRA());
 				return cachedItem;
 			}
 
 			// if we don't find it see if it is in the cache at a bigger size
-			foreach(var cacheSize in cacheSizes.Where(s => s > width))
+			foreach (var cacheSize in cacheSizes.Where(s => s > width))
 			{
 				cachedItem = LoadImage(this.CachePath(libraryItem, cacheSize, cacheSize));
-				if(cachedItem != null)
+				if (cachedItem != null
+					&& cachedItem.Width > 0 && cachedItem.Height > 0)
 				{
 					cachedItem = cachedItem.CreateScaledImage(width, height);
 					cachedItem.SetRecieveBlender(new BlenderPreMultBGRA());
diff --git a/MatterControlLib/Library/Providers/LibraryConfig.cs b/MatterControlLib/Library/Providers/LibraryConfig.cs
index a66b0ab7c..4ca18b939 100644
--- a/MatterControlLib/Library/Providers/LibraryConfig.cs
+++ b/MatterControlLib/Library/Providers/LibraryConfig.cs
@@ -201,6 +201,11 @@ namespace MatterHackers.MatterControl.Library
 			{
 				if (icon != null)
 				{
+					if (icon.Width == 0)
+					{
+						return;
+					}
+
 					icon = await Task.Run(() => this.EnsureCorrectThumbnailSizing(icon, thumbWidth, thumbHeight));
 					thumbnailListener?.Invoke(icon);
 				}