diff --git a/mos.yml b/mos.yml
index 824866c..c2167d5 100644
--- a/mos.yml
+++ b/mos.yml
@@ -99,7 +99,6 @@ libs:
   - origin: https://github.com/mongoose-os-libs/rpc-service-fs
   - origin: https://github.com/mongoose-os-libs/prometheus-metrics
   - origin: https://github.com/mongoose-os-libs/rpc-common
-  - origin: https://github.com/mongoose-os-libs/rpc-service-config
   - origin: https://github.com/mongoose-os-libs/rpc-mqtt
   - origin: https://github.com/mongoose-os-libs/mqtt
   - origin: https://github.com/mongoose-os-libs/pwm
diff --git a/src/rpc.c b/src/rpc.c
index 6054786..4a3d693 100644
--- a/src/rpc.c
+++ b/src/rpc.c
@@ -90,7 +90,7 @@ static void rpc_relay_set_handler(struct mg_rpc_request_info *ri, void *cb_arg,
     return;
   }
 
-  relays_set_by_idx(idx, state);
+  relays_set_by_idx(idx, (bool) state);
   mg_rpc_send_responsef(ri, "{idx: %d, gpio: %d, state: %d}", idx, gpio, state);
 
   (void) cb_arg;