diff --git a/discord/cdn_endpoints.go b/discord/cdn_endpoints.go
index 4e4a3eb9..f3dc0e56 100644
--- a/discord/cdn_endpoints.go
+++ b/discord/cdn_endpoints.go
@@ -104,9 +104,9 @@ func (e CDNEndpoint) URL(format FileFormat, values QueryValues, params ...any) s
 	return urlPrint(CDN+e.Route+"."+format.String(), params...) + query
 }
 
-func DefaultCDNConfig() *CDNConfig {
+func DefaultCDNConfig(format FileFormat) *CDNConfig {
 	return &CDNConfig{
-		Format: FileFormatPNG,
+		Format: format,
 		Values: QueryValues{},
 	}
 }
@@ -138,7 +138,13 @@ func WithFormat(format FileFormat) CDNOpt {
 }
 
 func formatAssetURL(cdnRoute *CDNEndpoint, opts []CDNOpt, params ...any) string {
-	config := DefaultCDNConfig()
+	format := FileFormatNone
+	if len(cdnRoute.Formats) > 0 { // just in case someone fucks up
+		// use the first provided format in the route definition itself. if the user provides a different format, this will be overriden by the Apply function call below
+		// previously, the default format was png, which would cause issues for cdn endpoints like attachments and soundboard sounds, requiring custom "overrides"
+		format = cdnRoute.Formats[0]
+	}
+	config := DefaultCDNConfig(format)
 	config.Apply(opts)
 
 	var lastStringParam string