diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11e657f..e6bb814 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,5 +5,9 @@ project(onkioriclient LANGUAGES C)
 set(CMAKE_C_STANDARD 17)
 
 add_executable(${PROJECT_NAME} main.c)
+
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+	set(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "..." FORCE)
+endif(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
 install(TARGETS ${PROJECT_NAME} DESTINATION bin)
 install(FILES onkiori.service DESTINATION /etc/systemd/system)