diff --git a/openjdk/excludes/ProblemList_openjdk8-openj9.txt b/openjdk/excludes/ProblemList_openjdk8-openj9.txt
index c687955272..3134348eba 100644
--- a/openjdk/excludes/ProblemList_openjdk8-openj9.txt
+++ b/openjdk/excludes/ProblemList_openjdk8-openj9.txt
@@ -130,6 +130,8 @@ sun/management/jmxremote/bootstrap/RmiSslNoKeyStoreTest.sh https://github.com/ad
 
 # jdk_jmx
 
+javax/management/MBeanServer/OldMBeanServerTest.java https://github.com/eclipse-openj9/openj9/issues/20777 generic-all
+
 ############################################################################
 
 # jdk_math