diff --git a/app/src/protyle/util/compatibility.ts b/app/src/protyle/util/compatibility.ts
index 1210fcb07..0d5841104 100644
--- a/app/src/protyle/util/compatibility.ts
+++ b/app/src/protyle/util/compatibility.ts
@@ -11,7 +11,7 @@ export const openByMobile = (uri: string) => {
             new URL(uri);
             window.location.href = uri;
         } catch (e) {
-            window.location.href = "http://" + uri;
+            window.location.href = "https://" + uri;
         }
     } else if (isInAndroid()) {
         window.JSAndroid.openExternal(uri);