diff --git a/app/Models/CategoryDAO.php b/app/Models/CategoryDAO.php
index e9b873d72..e098c65e4 100644
--- a/app/Models/CategoryDAO.php
+++ b/app/Models/CategoryDAO.php
@@ -15,6 +15,9 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo implements FreshRSS_Searchable
 	}
 
 	protected function addColumn($name) {
+		if ($this->pdo->inTransaction()) {
+			$this->pdo->commit();
+		}
 		Minz_Log::warning(__method__ . ': ' . $name);
 		try {
 			if ($name === 'kind') {	//v1.20.0
diff --git a/app/Models/EntryDAO.php b/app/Models/EntryDAO.php
index 424f682a8..b63515223 100644
--- a/app/Models/EntryDAO.php
+++ b/app/Models/EntryDAO.php
@@ -62,6 +62,9 @@ SQL;
 	}
 
 	protected function addColumn(string $name) {
+		if ($this->pdo->inTransaction()) {
+			$this->pdo->commit();
+		}
 		Minz_Log::warning(__method__ . ': ' . $name);
 		try {
 			if ($name === 'attributes') {	//v1.20.0
diff --git a/app/Models/FeedDAO.php b/app/Models/FeedDAO.php
index 1b3d84c46..9f85fbc86 100644
--- a/app/Models/FeedDAO.php
+++ b/app/Models/FeedDAO.php
@@ -3,6 +3,9 @@
 class FreshRSS_FeedDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 
 	protected function addColumn(string $name) {
+		if ($this->pdo->inTransaction()) {
+			$this->pdo->commit();
+		}
 		Minz_Log::warning(__method__ . ': ' . $name);
 		try {
 			if ($name === 'kind') {	//v1.20.0