diff --git a/application/Espo/Core/Upgrades/Actions/Base/Install.php b/application/Espo/Core/Upgrades/Actions/Base/Install.php
index b3cc3dd1fe..10b6bd46a4 100644
--- a/application/Espo/Core/Upgrades/Actions/Base/Install.php
+++ b/application/Espo/Core/Upgrades/Actions/Base/Install.php
@@ -73,7 +73,9 @@ class Install extends \Espo\Core\Upgrades\Actions\Base
         }
 
         /* run before install script */
-        $this->runScript('before');
+        if (!isset($data['skipBeforeScript']) || !$data['skipBeforeScript']) {
+            $this->runScript('before');
+        }
 
         /* remove files defined in a manifest "deleteBeforeCopy" */
         $this->deleteFiles('deleteBeforeCopy', true);
@@ -89,8 +91,10 @@ class Install extends \Espo\Core\Upgrades\Actions\Base
         $this->deleteFiles('vendor');
         $this->copyFiles('vendor');
 
-        if (!$this->systemRebuild()) {
-            $this->throwErrorAndRemovePackage('Error occurred while EspoCRM rebuild.');
+        if (!isset($data['skipSystemRebuild']) || !$data['skipSystemRebuild']) {
+            if (!$this->systemRebuild()) {
+                $this->throwErrorAndRemovePackage('Error occurred while EspoCRM rebuild.');
+            }
         }
 
         //afterInstallFiles
@@ -99,7 +103,9 @@ class Install extends \Espo\Core\Upgrades\Actions\Base
         }
 
         /* run before install script */
-        $this->runScript('after');
+        if (!isset($data['skipAfterScript']) || !$data['skipAfterScript']) {
+            $this->runScript('after');
+        }
 
         $this->afterRunAction();
 
diff --git a/application/Espo/Core/Upgrades/Actions/Base/Uninstall.php b/application/Espo/Core/Upgrades/Actions/Base/Uninstall.php
index f1d49a2125..a1d50325ba 100644
--- a/application/Espo/Core/Upgrades/Actions/Base/Uninstall.php
+++ b/application/Espo/Core/Upgrades/Actions/Base/Uninstall.php
@@ -53,7 +53,7 @@ class Uninstall extends \Espo\Core\Upgrades\Actions\Base
         $this->beforeRunAction();
 
         /* run before install script */
-        if (!isset($data['isNotRunScriptBefore']) || !$data['isNotRunScriptBefore']) {
+        if (!isset($data['skipBeforeScript']) || !$data['skipBeforeScript']) {
             $this->runScript('beforeUninstall');
         }
 
@@ -71,12 +71,14 @@ class Uninstall extends \Espo\Core\Upgrades\Actions\Base
             }
         }
 
-        if (!$this->systemRebuild()) {
-            $this->throwErrorAndRemovePackage('Error occurred while EspoCRM rebuild.');
+        if (!isset($data['skipSystemRebuild']) || !$data['skipSystemRebuild']) {
+            if (!$this->systemRebuild()) {
+                $this->throwErrorAndRemovePackage('Error occurred while EspoCRM rebuild.');
+            }
         }
 
         /* run after uninstall script */
-        if (!isset($data['isNotRunScriptAfter']) || !$data['isNotRunScriptAfter']) {
+        if (!isset($data['skipAfterScript']) || !$data['skipAfterScript']) {
             $this->runScript('afterUninstall');
         }
 
diff --git a/application/Espo/Core/Upgrades/Actions/Extension/Install.php b/application/Espo/Core/Upgrades/Actions/Extension/Install.php
index 202292f94a..00ad0a9004 100644
--- a/application/Espo/Core/Upgrades/Actions/Extension/Install.php
+++ b/application/Espo/Core/Upgrades/Actions/Extension/Install.php
@@ -199,7 +199,8 @@ class Install extends \Espo\Core\Upgrades\Actions\Base\Install
 
         $this->executeAction(ExtensionManager::UNINSTALL, array(
                 'id' => $extensionEntity->get('id'),
-                'isNotRunScriptAfter' => true,
+                'skipSystemRebuild' => true,
+                'skipAfterScript' => true,
             )
         );
     }