diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f8de6d..b209469 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,8 +63,7 @@ find_package(EGL REQUIRED)
 find_package(GLESv2 REQUIRED)
 find_package(Protobuf REQUIRED)
 
-pkg_check_modules(SDL2 sdl2)
-
+pkg_check_modules(SDL2 sdl2 REQUIRED)
 pkg_check_modules(DBUS_CPP dbus-cpp REQUIRED)
 pkg_check_modules(DBUS dbus-1 REQUIRED)
 pkg_check_modules(LXC lxc REQUIRED)