diff --git a/postgres-size-report b/postgres-size-report
index d8a9432..ee1b2b6 100755
--- a/postgres-size-report
+++ b/postgres-size-report
@@ -33,16 +33,14 @@ cd ~postgres
 echo ""
 echo "************* Candlepin Tablesizes *************"
 echo ""
-echo $TABLEQUERY | sudo -u postgres psql -d candlepin
-
+echo $TABLEQUERY | su - postgres -c "psql candlepin"
 
 echo ""
 echo "************** Foreman Tablesizes **************"
 echo ""
-echo $TABLEQUERY | sudo -u postgres psql -d foreman
-
+echo $TABLEQUERY | su - postgres -c "psql foreman"
 
-if PULPCORE_TABLESIZES=$(echo $TABLEQUERY | sudo -u postgres psql -d pulpcore 2>/dev/null)
+if PULPCORE_TABLESIZES=$(echo $TABLEQUERY | su - postgres -c "psql pulpcore" 2>/dev/null)
 then
   echo ""
   echo "************** Pulpcore Tablesizes *************"
@@ -50,7 +48,6 @@ then
   echo "$PULPCORE_TABLESIZES"
 fi
 
-
 echo ""
 echo "*************** FileSystem Usage ***************"
 echo ""