diff --git a/data_from_portwine/scripts/runlib b/data_from_portwine/scripts/runlib
index 3bbea4d8..d237c3e0 100755
--- a/data_from_portwine/scripts/runlib
+++ b/data_from_portwine/scripts/runlib
@@ -194,8 +194,7 @@ start_portwine () {
         elif [ -x "`which prime-run 2>/dev/null`" ]; then
             export optirun_on="prime-run"
             check_nvidia_vk_icd_file
-        elif [[ -x "`which nvidia-settings 2>/dev/null`" ]] ; then 
-            export __GLX_VENDOR_LIBRARY_NAME=nvidia
+        elif [[ -x "`which nvidia-settings 2>/dev/null`" ]] ; then
             check_nvidia_vk_icd_file
         fi
     else