diff --git a/system/src/Grav/Common/GPM/Installer.php b/system/src/Grav/Common/GPM/Installer.php
index 58605d0a0..6d701ab09 100644
--- a/system/src/Grav/Common/GPM/Installer.php
+++ b/system/src/Grav/Common/GPM/Installer.php
@@ -108,7 +108,7 @@ class Installer
         $is_install = true;
         $installer = self::loadInstaller($installer_file_folder, $is_install);
 
-        if (isset($options['is_update']) && $options['is_update'] == true) {
+        if (isset($options['is_update']) && $options['is_update'] === true) {
             $method = 'preUpdate';
         } else {
             $method = 'preInstall';
@@ -139,7 +139,7 @@ class Installer
         Folder::delete($tmp);
         $zip->close();
 
-        if (isset($options['is_update']) && $options['is_update'] == true) {
+        if (isset($options['is_update']) && $options['is_update'] === true) {
             $method = 'postUpdate';
         } else {
             $method = 'postInstall';