diff --git a/functions b/functions
index 12be160..5b3a8ea 100644
--- a/functions
+++ b/functions
@@ -353,7 +353,7 @@
     local boot_timeout=$3
     local expected=${4:-"True"}
     local check_command=""
-    MULTI_HOST=`trueorfalse False $MULTI_HOST`
+    MULTI_HOST=$(trueorfalse False MULTI_HOST)
     if [[ "$MULTI_HOST" = "True" && "$from_net" = "$PRIVATE_NETWORK_NAME" ]]; then
         return
     fi