diff --git a/src/yaourt.sh.in b/src/yaourt.sh.in
index 2c66c8b..35e15d8 100755
--- a/src/yaourt.sh.in
+++ b/src/yaourt.sh.in
@@ -50,7 +50,7 @@ usage() {
 	echo -e "\t$(gettext 'yaourt {-C}               [options]')"
 	echo -e "\t$(gettext 'yaourt {-B --backup}      [save directory|restore file]')"
 	echo -e "\t$(gettext 'yaourt {-G --getpkgbuild} [options] <package(s)>')"
-	echo -e "\t$(gettext 'yaourt {-P --pkgbuild}    [-i --install] <directory>')"
+	echo -e "\t$(gettext 'yaourt {-P --pkgbuild}    [-i --install|--sign] <directory>')"
 	echo -e "\t$(gettext 'yaourt {--stats}')"
 }
 
@@ -393,6 +393,7 @@ while [[ $1 ]]; do
 		# makepkg options
 		-A|--ignorearch)    program_arg $A_M $1;;
 		--holdver)          program_arg $A_M $1;;
+		--sign)             program_arg $A_M $1;;
 
 		# Yaourt options
 		-)                  break;; # support smth like echo package | yaourt -S -