diff --git a/mk/check_modules.sh b/mk/check_modules.sh
index 49533231f6..cc5d93295f 100755
--- a/mk/check_modules.sh
+++ b/mk/check_modules.sh
@@ -2,7 +2,7 @@
 
 echo "Checking modules"
 
-MODULE_LIST="gbenchmark gtest mavlink PX4Firmware PX4Firmware/src/lib/matrix PX4Firmware/Tools/gencpp PX4Firmware/Tools/genmsg PX4NuttX uavcan uavcan/dsdl uavcan/libuavcan/dsdl_compiler/pyuavcan waf"
+MODULE_LIST="gbenchmark gtest mavlink mavlink/pymavlink PX4Firmware PX4Firmware/src/lib/matrix PX4Firmware/Tools/gencpp PX4Firmware/Tools/genmsg PX4NuttX uavcan uavcan/dsdl uavcan/libuavcan/dsdl_compiler/pyuavcan waf"
 
 NEED_INIT=0