diff --git a/install/install.py b/install/install.py
index 580f2db49..2841d23d9 100755
--- a/install/install.py
+++ b/install/install.py
@@ -1355,7 +1355,9 @@ autocreate_system_folders = On
                     WriteToFile.write(f'enable = On\n')
                 elif PluginsActivator and lines.find('enabled_list = ') > -1:
                     WriteToFile.write(f'enabled_list = "mailbox-detect"\n')
+                elif PluginsActivator == 1 and lines.find('[defaults]') > -1:
                     PluginsActivator = 0
+                    WriteToFile.write(lines)
                 else:
                     WriteToFile.write(lines)
             WriteToFile.close()
diff --git a/plogical/upgrade.py b/plogical/upgrade.py
index 2f9a7adc0..af0fd6861 100755
--- a/plogical/upgrade.py
+++ b/plogical/upgrade.py
@@ -584,7 +584,9 @@ $cfg['Servers'][$i]['LogoutURL'] = 'phpmyadminsignin.php?logout';
                     WriteToFile.write(f'enable = On\n')
                 elif PluginsActivator and lines.find('enabled_list = ') > -1:
                     WriteToFile.write(f'enabled_list = "mailbox-detect"\n')
+                elif PluginsActivator == 1 and lines.find('[defaults]') > -1:
                     PluginsActivator = 0
+                    WriteToFile.write(lines)
                 else:
                     WriteToFile.write(lines)
             WriteToFile.close()