diff --git a/Omron_2jcie-bu01_usb/upm/src/2jciebu01-usb/CMakeLists.txt b/Omron_2jcie-bu01_usb/upm/src/2jciebu01-usb/CMakeLists.txt
index 7d373993..0d79831d 100644
--- a/Omron_2jcie-bu01_usb/upm/src/2jciebu01-usb/CMakeLists.txt
+++ b/Omron_2jcie-bu01_usb/upm/src/2jciebu01-usb/CMakeLists.txt
@@ -1,5 +1,5 @@
 set (libname "2jciebu01_usb")
 set (libdescription "Omron Environment Sensor")
-set (module_src ${2jciebu01}.cxx)
-set (module_hpp ${2jciebu01}.hpp)
+set (module_src ${libname}.cxx "2jciebu01.cxx")
+set (module_hpp ${libname}.hpp "2jciebu01.hpp")
 upm_module_init(mraa utilities-c)