diff --git a/modules/core/src/test/java/org/apache/ignite/p2p/P2PUnsupportedClassVersionTest.java b/modules/core/src/test/java/org/apache/ignite/p2p/P2PUnsupportedClassVersionTest.java
index a9f43bb73e95c..288df5f7f47e5 100644
--- a/modules/core/src/test/java/org/apache/ignite/p2p/P2PUnsupportedClassVersionTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/p2p/P2PUnsupportedClassVersionTest.java
@@ -185,11 +185,9 @@ private void incComputeClassVersion(GridDeploymentResponse resp) {
             assertEquals(0, data[5]);
             assertEquals(0, data[6]);
 
-            byte majorClsVer = data[7];
-
             assertTrue(data[7] > 0);
 
-            data[7] = (byte)(majorClsVer + 1);
+            data[7] = (byte)0xFF;
         }
     }