diff --git a/debian/changelog b/debian/changelog
index afcd965..8b006af 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+orafce (3.0.6-4) UNRELEASED; urgency=medium
+
+  * debian/tests/installcheck: Use locale_gen from postgresql-common 159.
+
+ -- Christoph Berg <myon@debian.org>  Fri, 18 Jul 2014 13:41:01 +0300
+
 orafce (3.0.6-3) unstable; urgency=medium
 
   * Set team as Maintainer.
diff --git a/debian/tests/installcheck b/debian/tests/installcheck
index 812a399..63f58ac 100755
--- a/debian/tests/installcheck
+++ b/debian/tests/installcheck
@@ -2,19 +2,9 @@
 
 set -e
 
-case $(lsb_release -is) in
-Debian)
-	if ! grep -Fwq "en_US.UTF-8 UTF-8" /etc/locale.gen; then
-		echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
-		locale-gen
-	fi
-	;;
-Ubuntu)
-	locale-gen en_US.UTF-8
-	;;
-esac
-
 # to_multi_byte needs English, and UTF-8
+. /usr/share/postgresql-common/pgcommon.sh
+locale_gen en_US.UTF-8 UTF-8
 export LC_ALL=en_US.utf8
 
 for v in $(pg_buildext supported-versions); do