diff --git a/src/main.c b/src/main.c
index 24620b565b..6553cc0852 100644
--- a/src/main.c
+++ b/src/main.c
@@ -615,7 +615,7 @@ void coin_main(libargs_t *args) {
     app_exit();
 }
 
-void library_main(libargs_t *args) {
+__attribute__((noreturn)) void library_main(libargs_t *args) {
     chain_config_t coin_config;
     if (args->chain_config == NULL) {
         // We have been started directly by Exchange, not by a Clone. Init default chain