diff --git a/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXImporterSettings.cs b/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXImporterSettings.cs
index 8f2e7528..16737741 100644
--- a/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXImporterSettings.cs
+++ b/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXImporterSettings.cs
@@ -140,6 +140,9 @@ namespace FirstPlugin
             Bitmap Image = BitmapExtension.GetBitmap(DecompressedData[SurfaceLevel], (int)TexWidth, (int)TexHeight);
             if (FlipY)
                 Image.RotateFlip(RotateFlipType.RotateNoneFlipY);
+            if (UseBc4Alpha && (Format == GX2.GX2SurfaceFormat.T_BC4_UNORM || Format == GX2.GX2SurfaceFormat.T_BC4_SNORM)) {
+                Image = BitmapExtension.SetChannel(Image, STChannelType.Alpha, STChannelType.Alpha, STChannelType.Alpha, STChannelType.One);
+            }
 
             Console.WriteLine($"FlipY {FlipY}");
 
diff --git a/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXTextureImporter.cs b/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXTextureImporter.cs
index bbdbca4e..da95af9a 100644
--- a/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXTextureImporter.cs
+++ b/File_Format_Library/GUI/TextureUI/Importers/GX2/GTXTextureImporter.cs
@@ -210,9 +210,11 @@ namespace FirstPlugin
 
                 if (setting.FlipY)
                     bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
-                if (setting.UseBc4Alpha) {
+                if (setting.UseBc4Alpha && (setting.Format == GX2.GX2SurfaceFormat.T_BC4_UNORM || 
+                    setting.Format == GX2.GX2SurfaceFormat.T_BC4_UNORM)) 
+                {
                     bitmap = BitmapExtension.SetChannel(bitmap, 
-                        STChannelType.Red, STChannelType.Red, STChannelType.Red, STChannelType.Red);
+                        STChannelType.One, STChannelType.One, STChannelType.One, STChannelType.Red);
                 }
 
                 if (pictureBox1.InvokeRequired)