diff --git a/postgresql-install-alternatives b/postgresql-install-alternatives
index 0f1f0be..1729902 100644
--- a/postgresql-install-alternatives
+++ b/postgresql-install-alternatives
@@ -2,13 +2,22 @@
 
 shopt -s nullglob
 
-if test "$#" -ne 2; then
-	echo "usage: $0 basedir priority" 1>&2
+if test "$#" -ne 1; then
+	echo "usage: $0 pgversion" 1>&2
 	exit 1
 fi
 
-PGBASEDIR=$1
-PRIO=$2
+PRIO=$1
+case "$PRIO" in
+  postgresql*)
+    PRIO="${PRIO##postgresql}"
+  ;;
+esac
+
+PGBASEDIR=/usr/lib/postgresql$PRIO
+if [ $PRIO -lt 80 ] ; then
+  PRIO="${PRIO}0"
+fi
 
 PGBINDIR=$PGBASEDIR/bin
 
diff --git a/postgresql.changes b/postgresql.changes
index 9c0e001..ac2fc14 100644
--- a/postgresql.changes
+++ b/postgresql.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Fri Nov 24 11:24:09 UTC 2017 - mrueckert@suse.de
+
+- instead of hardcoding version 10, just check if the prio is
+  smaller than 80.
+
+-------------------------------------------------------------------
+Thu Nov 23 17:05:21 UTC 2017 - mrueckert@suse.de
+
+- simplify the postgresql-install-alternatives to only require the
+  pg version and go from there.
+
+  supported calls of the script are:
+  /usr/share/postgresql/install-alternatives postgresqlXY
+  /usr/share/postgresql/install-alternatives XY
+
+  where XY can currently be: 92 93 94 95 96 10
+
 -------------------------------------------------------------------
 Wed Nov 22 13:03:42 UTC 2017 - max@suse.com