diff --git a/plugins/postgresql/postgresql_active_backends b/plugins/postgresql/postgresql_active_backends
index 225e0d35..df137cf6 100755
--- a/plugins/postgresql/postgresql_active_backends
+++ b/plugins/postgresql/postgresql_active_backends
@@ -20,14 +20,16 @@
 #
 # Log info:
 # 2007/11/30 - Review on comments
+# 2012/12/19 - Updated to connect locally instead of localhost by default
+#              (PostgreSQL has different permissions for these).
 #
 
-dbserver='localhost'
+dbserver='' #'-h hostname'
 dbuser='postgres'
 
 if [ "$1" = "config" ]; then
-   maximum=$(psql -h ${dbserver} -U ${dbuser} -tc "SHOW max_connections;" | bc)
-   reserved=$(psql -h ${dbserver} -U ${dbuser} -tc "SHOW superuser_reserved_connections;" | bc)
+   maximum=$(psql ${dbserver} -U ${dbuser} -tc "SHOW max_connections;" | bc)
+   reserved=$(psql ${dbserver} -U ${dbuser} -tc "SHOW superuser_reserved_connections;" | bc)
    warning=$(((maximum-reserved)*70/100))
    critical=$(((maximum-reserved)*90/100))
    echo 'graph_args --base 1000 --lower-limit 0 --upper-limit '${maximum}
@@ -46,4 +48,4 @@ if [ "$1" = "config" ]; then
    exit 0
 fi
 
-echo 'backends.value '$(psql -h ${dbserver} -U ${dbuser} -tc "SELECT SUM(numbackends) FROM pg_stat_database;" | bc)
+echo 'backends.value '$(psql ${dbserver} -U ${dbuser} -tc "SELECT SUM(numbackends) FROM pg_stat_database;" | bc)
diff --git a/plugins/postgresql/postgresql_database_ratio b/plugins/postgresql/postgresql_database_ratio
index 298e5f55..ea9ef000 100755
--- a/plugins/postgresql/postgresql_database_ratio
+++ b/plugins/postgresql/postgresql_database_ratio
@@ -54,4 +54,4 @@ if [ "$1" = "config" ]; then
    done
    exit 0
 fi
-psql -h ${dbserver} -U ${dbuser} -tc "SELECT '\n'||datname||'.value '||(CASE WHEN (blks_hit > 0) THEN ROUND((blks_hit::NUMERIC / (blks_hit + blks_read)::NUMERIC) * 100, 2) ELSE 0 END)::TEXT FROM pg_stat_database WHERE datname != 'template0' ORDER BY datname;"
+psql -h ${dbserver} -U ${dbuser} -tc "SELECT datname||'.value '||(CASE WHEN (blks_hit > 0) THEN ROUND((blks_hit::NUMERIC / (blks_hit + blks_read)::NUMERIC) * 100, 2) ELSE 0 END)::TEXT FROM pg_stat_database WHERE datname != 'template0' ORDER BY datname;"