diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 267e4e0bff..46f2872f56 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -125,6 +125,7 @@
 		<li>[Fix] Add ability to disable overall (aka board-wide) feed.</li>
 		<li>[Fix] Do not pass new_link parameter when creating a persistent connection with mysql. (Bug #55785)</li>
 		<li>[Fix] Improved search query performance through sorting words by their occurance. (Bug #21555)</li>
+		<li>[Fix] Correctly move sql_row_pointer forward when calling sql_fetchfield() on cached queries. (Bug #55865)</li>
 		<li>[Change] Move redirect into a hidden field to avoid issues with mod_security. (Bug #54145)</li>
 		<li>[Change] Log activation through inactive users ACP. (Bug #30145)</li>
 		<li>[Change] Send time of last item instead of current time in ATOM Feeds. (Bug #53305)</li>
diff --git a/phpBB/includes/acm/acm_file.php b/phpBB/includes/acm/acm_file.php
index 234be5c5d1..5a758aa2bb 100644
--- a/phpBB/includes/acm/acm_file.php
+++ b/phpBB/includes/acm/acm_file.php
@@ -410,7 +410,7 @@ class acm
 	{
 		if ($this->sql_row_pointer[$query_id] < sizeof($this->sql_rowset[$query_id]))
 		{
-			return (isset($this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field])) ? $this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field] : false;
+			return (isset($this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field])) ? $this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]++][$field] : false;
 		}
 
 		return false;
diff --git a/phpBB/includes/acm/acm_memory.php b/phpBB/includes/acm/acm_memory.php
index e315e979e5..1a672ad7e1 100644
--- a/phpBB/includes/acm/acm_memory.php
+++ b/phpBB/includes/acm/acm_memory.php
@@ -364,7 +364,7 @@ class acm_memory
 	{
 		if ($this->sql_row_pointer[$query_id] < sizeof($this->sql_rowset[$query_id]))
 		{
-			return (isset($this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field])) ? $this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field] : false;
+			return (isset($this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]][$field])) ? $this->sql_rowset[$query_id][$this->sql_row_pointer[$query_id]++][$field] : false;
 		}
 
 		return false;