diff --git a/src/bmp280/CMakeLists.txt b/src/bmp280/CMakeLists.txt
index a82dadd8..c7227820 100644
--- a/src/bmp280/CMakeLists.txt
+++ b/src/bmp280/CMakeLists.txt
@@ -1,5 +1,5 @@
 set (libname "bmp280")
 set (libdescription "Bosch bmp280 Pressure sensor and bme280 humidity sensor")
 set (module_src ${libname}.cxx bme280.cxx)
-set (module_h ${libname}.hpp bme280.hpp)
+set (module_hpp ${libname}.hpp bme280.hpp)
 upm_module_init()