diff --git a/src/Reminder.php b/src/Reminder.php
index 482a4897e6fb9e0f0e2cf82e1ac4c2822e3c48be..f81dcda73e1bec26c6d3e7510642deb975ec4f3c 100644
--- a/src/Reminder.php
+++ b/src/Reminder.php
@@ -41,7 +41,7 @@ class Reminder {
 	}
 
 	private function should_display() {
-		return get_locale() === 'pl_PL' && ! $this->is_plugin_activated();
+		return get_locale() !== 'pl_PL' && ! $this->is_plugin_activated();
 	}
 
 	private function is_plugin_activated() {