diff --git a/defaults.inc b/defaults.inc
index 9defb33b..3aacccb9 100755
--- a/defaults.inc
+++ b/defaults.inc
@@ -45,7 +45,7 @@ if [ -f ${NM_FOLDER}/defaults.local.inc ]; then
 	for k in "${!NM_NODETYPES[@]}"; do
 		echo "${NM_NODETYPES["$k"]} ${k}"
 	done | sort -f | while read desc nmtype; do
-		eval NODE_TYPES+=("${nmtype}")
+		declare NODE_TYPES+=("${nmtype}")
 		echo "$nmtype - $desc"
 	done