diff --git a/data_from_portwine/scripts/runlib b/data_from_portwine/scripts/runlib
index 265d335..3519d0d 100755
--- a/data_from_portwine/scripts/runlib
+++ b/data_from_portwine/scripts/runlib
@@ -125,8 +125,8 @@ start_portwine () {
             export INTEL_DEBUG=norbc
         fi
         if [[ "${PW_GPU_USE}" != "disabled" ]] ; then
-            PW_vendorID="$(vulkaninfo --summary 2>/dev/null | grep -B3 "${PW_GPU_USE}" | grep vendorID | awk -F'0x' '{print $2}')"
-            PW_deviceID="$(vulkaninfo --summary 2>/dev/null | grep -B3 "${PW_GPU_USE}" | grep deviceID | awk -F'0x' '{print $2}')"
+            PW_vendorID="$(vulkaninfo --summary 2>/dev/null | grep -B3 "${PW_GPU_USE}" | grep vendorID | sort -u | awk -F'0x' '{print $2}')"
+            PW_deviceID="$(vulkaninfo --summary 2>/dev/null | grep -B3 "${PW_GPU_USE}" | grep deviceID | sort -u | awk -F'0x' '{print $2}')"
             PW_ID_VIDEO="--prefer-vk-device ${PW_vendorID}:${PW_deviceID}"
         else
             unset PW_ID_VIDEO