diff --git a/etc/udev/rules.d/99-dell5809e.rules b/etc/udev/rules.d/99-dell5809e.rules
index b7329d8..312755d 100644
--- a/etc/udev/rules.d/99-dell5809e.rules
+++ b/etc/udev/rules.d/99-dell5809e.rules
@@ -1,6 +1,10 @@
 ACTION!="add|change", GOTO="mbim_to_qmi_rules_end"
 SUBSYSTEM!="usb|drivers", GOTO="mbim_to_qmi_rules_end"
 
+# ignore any device with only one configuration
+SUBSYSTEM=="usb", \
+        ATTR{bNumConfigurations}=="1", GOTO="mbim_to_qmi_rules_end"
+
 # load qcserial module
 SUBSYSTEM=="usb", \
         ATTR{idVendor}=="413c", ATTR{idProduct}=="81b1", \
@@ -16,4 +20,14 @@ SUBSYSTEM=="drivers", \
         ENV{DEVPATH}=="/bus/usb-serial/drivers/qcserial", \
         ATTR{new_id}="413c 81b1"
 
+# load qmi_wwan module
+SUBSYSTEM=="usb", \
+        ATTR{idVendor}=="413c", ATTR{idProduct}=="81b1", \
+        RUN+="/sbin/modprobe -b qmi_wwan"
+
+# add the new id in the qmi_wwan driver
+SUBSYSTEM=="drivers", \
+        ENV{DEVPATH}=="/bus/usb-serial/drivers/qmi_wwan", \
+        ATTR{new_id}="413c 81b1"
+
 LABEL="mbim_to_qmi_rules_end"