diff --git a/CMakeLists.txt b/CMakeLists.txt
index d86862f7..db0b4d69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ if(ENABLE_GNOME_NETWORKMANAGER)
 pkg_check_modules(GLIB REQUIRED glib-2.0)
 pkg_check_modules(LIBNM REQUIRED libnm)
 else()
-find_package(IARMBus)
+find_package(IARMBus REQUIRED)
 endif ()
 
 if(ENABLE_NETWORKMANAGER_UNIT_TEST)