diff --git a/config.c b/config.c
index afeb762..df3cd33 100644
--- a/config.c
+++ b/config.c
@@ -135,3 +135,21 @@ load_config(const config_setting_t *config_root, FullConfig *config)
 	config->channels = load_channels_section(channel_config);
 	return true;
 }
+
+void
+reset_config(FullConfig *config)
+{
+	if (!config) {
+		return;
+	}
+	if (config->nodes.items) {
+		free(config->nodes.items);
+		config->nodes.items = NULL;
+		config->nodes.length = 0;
+	}
+	if (config->channels.items) {
+		free(config->channels.items);
+		config->channels.items = NULL;
+		config->channels.length = 0;
+	}
+}
diff --git a/config.h b/config.h
index 07f1597..8e026c7 100644
--- a/config.h
+++ b/config.h
@@ -33,5 +33,6 @@ typedef struct {
 } FullConfig;
 
 bool load_config(const config_setting_t *config_root, FullConfig *config);
+void reset_config(FullConfig *config);
 
 #endif /* end of include guard: CONFIG_H_ */
diff --git a/main.c b/main.c
index 914a1db..00cd458 100644
--- a/main.c
+++ b/main.c
@@ -85,6 +85,7 @@ main(int argc, char ** argv)
 	free(channels);
 	free(nodes);
 
+	reset_config(&loaded_config);
 	config_destroy(&config_tree);
 
 	io_subscription_list_deinit(&state.wait_output);