diff --git a/GPClient/com.yuezk.qt.gpclient.desktop.in b/GPClient/com.yuezk.qt.gpclient.desktop.in
index 803e7c1..f15cc09 100644
--- a/GPClient/com.yuezk.qt.gpclient.desktop.in
+++ b/GPClient/com.yuezk.qt.gpclient.desktop.in
@@ -6,7 +6,7 @@ Name=GlobalProtect VPN
 Comment=A GlobalProtect VPN client (GUI) for Linux based on OpenConnect and built with Qt5, supports SAML auth mode.
 GenericName=GlobalProtect VPN client, supports SAML auth mode
 Categories=Network;Dialup;
-Exec=@CMAKE_INSTALL_PREFIX@/bin/gpclient
+Exec=env QT_AUTO_SCREEN_SCALE_FACTOR=1 @CMAKE_INSTALL_PREFIX@/bin/gpclient
 Icon=com.yuezk.qt.gpclient
 Keywords=GlobalProtect;Openconnect;SAML;connection;VPN;
 StartupWMClass=gpclient
diff --git a/GPClient/main.cpp b/GPClient/main.cpp
index 68eeb84..92b1391 100644
--- a/GPClient/main.cpp
+++ b/GPClient/main.cpp
@@ -32,7 +32,7 @@ int main(int argc, char *argv[])
     }
 
     if (hidpiSupport.isEmpty()) {
-        qputenv(QT_AUTO_SCREEN_SCALE_FACTOR, "true");
+        qputenv(QT_AUTO_SCREEN_SCALE_FACTOR, "1");
     }
 
     SingleApplication app(argc, argv);