diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17df4dbc..ae0b15af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Fix strpslashes log error (#802)
 - Update main item ```date_mod``` after updating additional fields
+- Fix ```datainjection``` error when trying to map fields
 
 ## [1.21.10] - 2024-06-11
 
diff --git a/templates/injection.class.tpl b/templates/injection.class.tpl
index 33861cb9..9e1c0dd4 100644
--- a/templates/injection.class.tpl
+++ b/templates/injection.class.tpl
@@ -12,16 +12,7 @@ class %%CLASSNAME%%Injection extends %%CLASSNAME%% implements PluginDatainjectio
      * @return string
     **/
     static function getTable($classname = null) {
-        if ($classname === null) {
-            return '';
-        }
-        $parent_class = get_parent_class($classname);
-
-        if ($parent_class === false) {
-            return '';
-        }
-
-        return getTableForItemType($parent_class);
+        return getTableForItemType(get_parent_class());
     }
 
     static function getTypeName($nb = 0) {