diff --git a/check_pg_streaming_replication b/check_pg_streaming_replication
index cdab14e..99369e6 100755
--- a/check_pg_streaming_replication
+++ b/check_pg_streaming_replication
@@ -115,13 +115,15 @@ id "$PG_USER" > /dev/null 2>&1
 [ -z "$PG_DB" ] && PG_DB="$PG_USER"
 
 function psql_get () {
-	echo "$1"|su - $PG_USER -c "$PSQL_BIN -d "$PG_DB" -t -P format=unaligned"
+	sql="$1"
+	debug "Exec 'echo \"$sql\"|su - $PG_USER -c \"$PSQL_BIN -d \"$PG_DB\" -w -t -P format=unaligned\""
+	echo "$sql"|su - $PG_USER -c "$PSQL_BIN -d "$PG_DB" -w -t -P format=unaligned"
 }
 
 function debug() {
 	if [ $DEBUG -eq 1 ]
 	then
-		echo "[DEBUG] $1"
+		>&2 echo "[DEBUG] $1"
 	fi
 }