diff --git a/kafka-ui-react-app/src/lib/constants.ts b/kafka-ui-react-app/src/lib/constants.ts
index 9af9f4eba8..9ab695df5d 100644
--- a/kafka-ui-react-app/src/lib/constants.ts
+++ b/kafka-ui-react-app/src/lib/constants.ts
@@ -1,7 +1,7 @@
 import { ConfigurationParameters } from 'generated-sources';
 
 export const BASE_PARAMS: ConfigurationParameters = {
-  basePath: process.env.REACT_APP_API_URL,
+  basePath: process.env.REACT_APP_API_URL || '',
   credentials: 'include',
   headers: {
     'Content-Type': 'application/json',
diff --git a/pom.xml b/pom.xml
index adba6bb5cd..1673ec7707 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 		<dockerfile-maven-plugin.version>1.4.10</dockerfile-maven-plugin.version>
 		<frontend-maven-plugin.version>1.8.0</frontend-maven-plugin.version>
 		<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
-		<openapi-generator-maven-plugin.version>4.2.2</openapi-generator-maven-plugin.version>
+		<openapi-generator-maven-plugin.version>4.3.0</openapi-generator-maven-plugin.version>
 		<swagger-annotations.version>1.6.0</swagger-annotations.version>
 		<springdoc-openapi-webflux-ui.version>1.2.32</springdoc-openapi-webflux-ui.version>
 		<kafka.version>2.4.1</kafka.version>