diff --git a/ext/pdo_pgsql/pgsql_driver.c b/ext/pdo_pgsql/pgsql_driver.c
index ffa6c77646a..6d2433a875b 100644
--- a/ext/pdo_pgsql/pgsql_driver.c
+++ b/ext/pdo_pgsql/pgsql_driver.c
@@ -471,7 +471,7 @@ static int pdo_pgsql_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *return_
 static int pdo_pgsql_check_liveness(pdo_dbh_t *dbh)
 {
 	pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
-	if (PQstatus(H->server) == CONNECTION_BAD) {
+	if (!PQconsumeInput(H->server) || PQstatus(H->server) == CONNECTION_BAD) {
 		PQreset(H->server);
 	}
 	return (PQstatus(H->server) == CONNECTION_OK) ? SUCCESS : FAILURE;