diff --git a/pci-resource/update-pci-ids.sh b/pci-resource/update-pci-ids.sh
index ee4aed0..878a4fa 100755
--- a/pci-resource/update-pci-ids.sh
+++ b/pci-resource/update-pci-ids.sh
@@ -69,6 +69,7 @@ E_O_F
 
 trap exit_handler SIGHUP SIGPIPE SIGINT SIGTERM SIGQUIT EXIT
 
+export TMPDIR=/tmp
 MODLIST=`mktemp -t modlist.XXXXXXXXXX`
 MODHDR=`mktemp -t modhdr.XXXXXXXXXX`
 
diff --git a/usb-resource/update-usb-ids.sh b/usb-resource/update-usb-ids.sh
index 7c303e8..035a982 100755
--- a/usb-resource/update-usb-ids.sh
+++ b/usb-resource/update-usb-ids.sh
@@ -69,6 +69,7 @@ E_O_F
 
 trap exit_handler SIGHUP SIGPIPE SIGINT SIGTERM SIGQUIT EXIT
 
+export TMPDIR=/tmp
 MODLIST=`mktemp -t modlist.XXXXXXXXXX`
 MODHDR=`mktemp -t modhdr.XXXXXXXXXX`