diff --git a/vmcreate.sh b/vmcreate.sh
index dac2f06..bd695ad 100644
--- a/vmcreate.sh
+++ b/vmcreate.sh
@@ -125,8 +125,9 @@ while getopts "a:f:hk:u:p:d:n:t:" opt; do
 done
 
 if [ $harule ]; then
-    echo "CURRENT AFFINITY RULES:"
-    echo
+    hostcheck "$harule"
+    if [ $? -ne 0 ]; then echo "HArule should contain only letters, numbers and dashes. Aborting."; exit 1; fi
+fi
     
 if [[ $node -lt 1 || $node -gt 4 ]]; then
     echo "Node number is not in [1..4]. Please specify correct node number. Aborting"