diff --git a/data_from_portwine/scripts/runlib b/data_from_portwine/scripts/runlib
index e6b43e33..9f1b3100 100755
--- a/data_from_portwine/scripts/runlib
+++ b/data_from_portwine/scripts/runlib
@@ -95,9 +95,9 @@ START_PORTWINE ()
 {
 sh "${link}"/port_update 
 export PROTON_NO_FSYNC=0
+export optirun_on=env
 if [ -x "`which nvidia-settings 2>/dev/null`" ]
 then
-    export optirun_on=env
     if [ -x "`which primusrun 2>/dev/null`" ]  
     then
         export optirun_on="primusrun"