diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 2b2ff1c..7289235 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -348,7 +348,7 @@
 
 		if (($result = $this->db->query($sql)) !== FALSE)
 		{
-			empty($this->db->data_cache['table_names']) OR $this->db->data_cache['table_names'][] = $table;
+			isset($this->db->data_cache['table_names']) && $this->db->data_cache['table_names'][] = $table;
 
 			// Most databases don't support creating indexes from within the CREATE TABLE statement
 			if ( ! empty($this->keys))
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index d7977f4..f176977 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -31,6 +31,7 @@
 -  Fixed a bug (#4937) - :doc:`Image Manipulation Library <libraries/image_lib>` method ``initialize()`` didn't translate *new_image* inputs to absolute paths.
 -  Fixed a bug (#4941) - :doc:`Query Builder <database/query_builder>` method ``order_by()`` didn't work with 'RANDOM' under the 'pdo/sqlite' driver.
 -  Fixed a regression (#4892) - :doc:`Query Builder <database/query_builder>` method ``update_batch()`` didn't properly handle identifier escaping.
+-  Fixed a bug (#4953) - :doc:`Database Forge <database/forge>` method ``create_table()`` didn't update an internal tables list cache if it exists but is empty.
 
 Version 3.1.2
 =============