diff --git a/autoware_launch/launch/autoware.launch.xml b/autoware_launch/launch/autoware.launch.xml
index 38f8550f72..f5bd2be038 100644
--- a/autoware_launch/launch/autoware.launch.xml
+++ b/autoware_launch/launch/autoware.launch.xml
@@ -131,6 +131,8 @@
       args="-d $(var rviz_config) -s $(find-pkg-share autoware_launch)/rviz/image/autoware.png"
       if="$(var rviz)"
       respawn="$(var rviz_respawn)"
-    />
+    >
+      <env name="QT_QPA_PLATFORMTHEME" value="qt5ct"/>
+    </node>
   </group>
 </launch>