diff --git a/src/Nazara/Utility/Formats/STBLoader.cpp b/src/Nazara/Utility/Formats/STBLoader.cpp
index 3ca5b3708..42f720abf 100644
--- a/src/Nazara/Utility/Formats/STBLoader.cpp
+++ b/src/Nazara/Utility/Formats/STBLoader.cpp
@@ -82,6 +82,12 @@ namespace Nz
 
 			if (parameters.loadFormat != PixelFormatType_Undefined)
 				image->Convert(parameters.loadFormat);
+			else
+			{
+				// Optimize memory usage if possible
+				if (!image->HasAlpha())
+					image->Convert(PixelFormatType_RGB8);
+			}
 
 			return true;
 		}