diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
index c760635..4353d73 100644
--- a/src/utils/helpers.ts
+++ b/src/utils/helpers.ts
@@ -167,7 +167,7 @@ export async function replaceAllColors(
       r: matchedColor.red * 255,
       g: matchedColor.green * 255,
       b: matchedColor.blue * 255,
-      a: matchedColor.alpha,
+      alpha: matchedColor.alpha,
     };
 
     text = replaceTextInMatch(