diff --git a/framework/yii/db/pgsql/Schema.php b/framework/yii/db/pgsql/Schema.php
index f6c7298..eb7de37 100644
--- a/framework/yii/db/pgsql/Schema.php
+++ b/framework/yii/db/pgsql/Schema.php
@@ -299,7 +299,7 @@ SQL;
 			$table->columns[$column->name] = $column;
 			if ($column->isPrimaryKey === true) {
 				$table->primaryKey[] = $column->name;
-				if ($table->sequenceName === null && preg_match("/nextval\\('\"?\\w+\"?'(::regclass)?\\)/", $column->defaultValue) === 1) {
+				if ($table->sequenceName === null && preg_match("/nextval\\('\"?\\w+\"?\.?\"?\\w+\"?'(::regclass)?\\)/", $column->defaultValue) === 1) {
 					$table->sequenceName = preg_replace(['/nextval/', '/::/', '/regclass/', '/\'\)/', '/\(\'/'], '', $column->defaultValue);
 				}
 			}