1 files changed, 1 insertions, 1 deletions
diff --git a/upd8.js b/upd8.js
index 6e93eb82..65461c55 100755
--- a/upd8.js
+++ b/upd8.js
@@ -1507,7 +1507,7 @@ async function writePage(directoryParts, {
 }) {
     body.style ??= '';
 
-    theme = theme ?? getThemeString(wikiInfo);
+    theme = theme || getThemeString(wikiInfo);
 
     main.classes ??= [];
     main.content ??= '';