diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 8d0c13b..d7eec94 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -851,7 +851,7 @@
 }
 
 function install_k8s_metallb() {
-    METALLB_IP_RANGE=$DEFAULT_IP-$DEFAULT_IP
+    METALLB_IP_RANGE=$DEFAULT_IP/32
     kubectl apply -f ${OSM_DEVOPS}/installers/k8s/metallb/metallb.yaml \
     || FATAL "Cannot install MetalLB"
     echo "apiVersion: v1
@@ -871,7 +871,7 @@
 
 #installs metallb from helm
 function install_helm_metallb() {
-    METALLB_IP_RANGE=$DEFAULT_IP-$DEFAULT_IP
+    METALLB_IP_RANGE=$DEFAULT_IP/32
     echo "configInline:
   address-pools:
    - name: default