diff --git a/win32/installer/zoitechat-arm64.iss b/win32/installer/zoitechat-arm64.iss
index b32c4239..3e7f5fbe 100644
--- a/win32/installer/zoitechat-arm64.iss
+++ b/win32/installer/zoitechat-arm64.iss
@@ -98,7 +98,7 @@ Root: HKCR; Subkey: "irc"; ValueType: string; ValueName: ""; ValueData: "URL:IRC
 Root: HKCR; Subkey: "irc"; ValueType: string; ValueName: "URL Protocol"; ValueData: ""; Flags: uninsdeletevalue; Tasks: not portable
 Root: HKCR; Subkey: "irc\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\zoitechat.exe,0"; Flags: uninsdeletevalue; Tasks: not portable
 Root: HKCR; Subkey: "irc\shell"; ValueType: string; ValueName: ""; ValueData: "open"; Flags: uninsdeletevalue; Tasks: not portable
-Root: HKCR; Subkey: "irc\shell\open\command"; ValueType: string; ValueName: ""; ValueData: "{app}\zoitechat.exe --url=""%1"""; Flags: uninsdeletevalue; Tasks: not portable
+Root: HKCR; Subkey: "irc\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\zoitechat.exe"" --url=""%1"""; Flags: uninsdeletevalue; Tasks: not portable
 Root: HKCR; Subkey: ".zct"; ValueType: string; ValueName: ""; ValueData: "ZoiteChat.Theme"; Flags: uninsdeletevalue; Tasks: not portable
 Root: HKCR; Subkey: ".hct"; ValueType: string; ValueName: ""; ValueData: "ZoiteChat.Theme"; Flags: uninsdeletevalue; Tasks: not portable
 Root: HKCR; Subkey: "ZoiteChat.Theme"; ValueType: string; ValueName: ""; ValueData: "ZoiteChat Theme"; Flags: uninsdeletekey; Tasks: not portable