diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index 4d76b360db8f8..e8518f6510956 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -1735,7 +1735,7 @@ PHP_FUNCTION(pg_field_table)
 	char *table_name;
 	zend_rsrc_list_entry *field_table;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|b!", &result, &fnum, &return_oid) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|b", &result, &fnum, &return_oid) == FAILURE) {
 		return;
 	}