diff --git a/wildfly_base/initial/startwf.sh b/wildfly_base/initial/startwf.sh
index 2f1d484..5ccf5d9 100755
--- a/wildfly_base/initial/startwf.sh
+++ b/wildfly_base/initial/startwf.sh
@@ -1,6 +1,6 @@
 #variables
 IPADDRESS=$(hostname -i)
-EXTRA_JAVA_OPTS=$EXTRA_JAVA_OPTS -Djboss.bind.address.management=${IPADDRESS}
+EXTRA_JAVA_OPTS="$EXTRA_JAVA_OPTS -Djboss.bind.address.management=${IPADDRESS}"
 /opt/jboss/wildfly/bin/standalone.sh -c ${WF_CONFIG} -b ${IPADDRESS} ${EXTRA_JAVA_OPTS}