diff --git a/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java b/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
index 24cf50f18d..eb9f4164a6 100644
--- a/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
+++ b/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
@@ -35,8 +35,8 @@ public class SpringSessionMongoDBIntegrationTest {
                 repository.findById(getSessionId(set_cookie)).getAttribute("count").toString());
     }
 
-    private String getSessionId(String set_cookie) {
-        return new String(Base64.getDecoder().decode(set_cookie.split(";")[0].split("=")[1]));
+    private String getSessionId(String cookie) {
+        return new String(Base64.getDecoder().decode(cookie.split(";")[0].split("=")[1]));
     }
 
 }