diff --git a/src/lib.rs b/src/lib.rs
index c3134bd..a21174d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -199,7 +199,7 @@ fn palette_from(bg: &bitsy_parser::Colour, fg: &bitsy_parser::Colour) -> bitsy_p
 }
 
 fn render_preview(state: &State) -> DynamicImage {
-    let mut buffer = state.image.as_ref().unwrap().clone().into_rgba();
+    let mut buffer = state.image.as_ref().unwrap().clone().into_rgba8();
 
     let palette = match &state.palette {
         SelectedPalette::None => bitsy_parser::mock::game_default().palettes[0].clone(),