diff --git a/tools/hwsim.c b/tools/hwsim.c
index 335e590c..ffc537a1 100644
--- a/tools/hwsim.c
+++ b/tools/hwsim.c
@@ -425,6 +425,9 @@ int main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
+	if (!l_main_init())
+		return EXIT_FAILURE;
+
 	sigemptyset(&mask);
 	sigaddset(&mask, SIGINT);
 	sigaddset(&mask, SIGTERM);
@@ -466,5 +469,7 @@ int main(int argc, char *argv[])
 done:
 	l_signal_remove(signal);
 
+	l_main_exit();
+
 	return exit_status;
 }