diff --git a/src/seqta/ui/themes/shareTheme.ts b/src/seqta/ui/themes/shareTheme.ts
index eebb11b6..4518ee60 100644
--- a/src/seqta/ui/themes/shareTheme.ts
+++ b/src/seqta/ui/themes/shareTheme.ts
@@ -6,7 +6,7 @@ const saveThemeFile = (data: object, fileName: string) => {
   const url = URL.createObjectURL(blob);
   const a = document.createElement('a');
   a.href = url;
-  a.download = `${fileName}.json.theme`;
+  a.download = `${fileName}.theme.json`;
   document.body.appendChild(a);
   a.click();
   document.body.removeChild(a);