diff --git a/src/donar_client.c b/src/donar_client.c
index fa9cf14..088d124 100644
--- a/src/donar_client.c
+++ b/src/donar_client.c
@@ -35,7 +35,7 @@ failed_socks5:
   }
 }
 
-void configure_tcp_clients(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo) {
+int configure_tcp_clients(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo) {
     int err, pos;
     struct donar_client_ctx* app_ctx = (struct donar_client_ctx*) fdinfo->cat->app_ctx;
 
@@ -102,7 +102,7 @@ void configure_tcp_clients(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdi
       break;
     }
 
-    return;
+    return 1;
 on_socks5_err:
     perror("An error occured while connecting to an Onion Service");
     app_ctx->client_sock[pos].state = SOCKS5_STATE_ERR;