diff --git a/lib/common.sh b/lib/common.sh
index a3c2ec2..821f8df 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -4,10 +4,12 @@
 # License: Unspecified
 
 [[ -z ${_INCLUDE_COMMON_SH:-} ]] || return 0
-_INCLUDE_COMMON_SH=true
+_INCLUDE_COMMON_SH="$(set +o|grep nounset)"
 
+set +u +o posix
 # shellcheck disable=1091
 . /usr/share/makepkg/util.sh
+$_INCLUDE_COMMON_SH
 
 # Avoid any encoding problems
 export LANG=C