diff --git a/src/app/config/config.component.ts b/src/app/config/config.component.ts
index 295a62b..faa10dc 100644
--- a/src/app/config/config.component.ts
+++ b/src/app/config/config.component.ts
@@ -73,7 +73,9 @@ export class ConfigComponent {
       if (config && config.modules) {
         config.modules[index].id = module.id;
         config.modules[index].type = module.type;
-        config.modules[index].params = module.params;
+        if (module.params !== undefined) {
+          config.modules[index].params = module.params;
+        }
         return {
           ...config,
           modules: config.modules,
diff --git a/src/app/module/module.component.ts b/src/app/module/module.component.ts
index c96f765..7cd9e84 100644
--- a/src/app/module/module.component.ts
+++ b/src/app/module/module.component.ts
@@ -64,7 +64,7 @@ export class ModuleComponent {
 
   paramsUpdated(params: any) {
     this.module.update((module) => {
-      if (module !== undefined) {
+      if (module !== undefined && module.params !== undefined) {
         module.params = params;
         return {
           ...module,