diff --git a/conf/cassandra-env.ps1 b/conf/cassandra-env.ps1
index 6d9b8b1aa0..35da8562b0 100644
--- a/conf/cassandra-env.ps1
+++ b/conf/cassandra-env.ps1
@@ -411,7 +411,7 @@ Function SetCassandraEnvironment
     #$env:JVM_OPTS="$env:JVM_OPTS -Dcom.sun.management.jmxremote.password.file=C:/jmxremote.password"
     $env:JVM_OPTS="$env:JVM_OPTS -Dcassandra.jmx.local.port=$JMX_PORT -XX:+DisableExplicitGC"
 
-    $env:JVM_OPTS="$env:JVM_OPTS $JVM_EXTRA_OPTS"
+    $env:JVM_OPTS="$env:JVM_OPTS $env:JVM_EXTRA_OPTS"
 
     $env:JVM_OPTS = "$env:JVM_OPTS -Dlog4j.configuration=log4j-server.properties"
 }