diff --git a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/FlameComics.kt b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/FlameComics.kt
index 937e31c8..94b87704 100644
--- a/src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/FlameComics.kt
+++ b/src/main/kotlin/org/koitharu/kotatsu/parsers/site/en/FlameComics.kt
@@ -156,7 +156,7 @@ internal class FlameComics(context: MangaLoaderContext) :
 			},
 			authors = setOfNotNull(author),
 			largeCoverUrl = if (cover != null) {
-				imageUrl(seriesId, cover, 640)
+				imageUrl(seriesId, cover, 720)
 			} else {
 				null
 			},