diff --git a/defaults.inc b/defaults.inc
index 2798ad1e..8b0f21bd 100755
--- a/defaults.inc
+++ b/defaults.inc
@@ -56,7 +56,7 @@ if [ -f ${FOLDER}/defaults.local.inc ]; then
 	
 	declare -A NODE_TYPES
 	for nmtype in "${!NM_HOSTS[@]}"; do
-		NODE_TYPES+=${nmtype}
+		NODE_TYPES+=(${nmtype})
 	done
 		
 	for ntype in "${NODE_TYPES[@]}"; do