diff --git a/js/creator-23.js b/js/creator-23.js
index 212a8180..ff2b2548 100644
--- a/js/creator-23.js
+++ b/js/creator-23.js
@@ -3134,8 +3134,12 @@ function fetchSetSymbol() {
 		if (setSymbolAliases.has(setCode.toLowerCase())) setCode = setSymbolAliases.get(setCode.toLowerCase());
 		uploadSetSymbol('http://gatherer.wizards.com/Handlers/Image.ashx?type=symbol&set=' + setCode + '&size=large&rarity=' + setRarity, 'resetSetSymbol');
 	} else {
+		var extension = 'svg';
+		if (['one', 'onc'].includes(setCode.toLowerCase())) {
+			extension = 'png';
+		}
 		if (setSymbolAliases.has(setCode.toLowerCase())) setCode = setSymbolAliases.get(setCode.toLowerCase());
-		uploadSetSymbol(fixUri(`/img/setSymbols/official/${setCode.toLowerCase()}-${setRarity}.svg`), 'resetSetSymbol');
+		uploadSetSymbol(fixUri(`/img/setSymbols/official/${setCode.toLowerCase()}-${setRarity}.` + extension), 'resetSetSymbol');
 	}
 }
 function lockSetSymbolCode() {