diff --git a/shell/main.sh b/shell/main.sh
index e41bdf9..37dfdfc 100644
--- a/shell/main.sh
+++ b/shell/main.sh
@@ -29,8 +29,11 @@ main_source_directory() {
 			if [ "${module}" != "${ENV}" ]; then
 				. "${module}"
 				cmd="$(main_commands "${module}")"
-				[ -n "${cmd}" ] && CMD="${CMD}
-${cmd}"
+				if [ -n "${cmd}" ]; then
+					[ -n "${CMD}" ] && CMD="${CMD}
+"
+					CMD="${CMD}${cmd}"
+				fi
 			fi
 		done
 		IFS="${ifs}"