diff --git a/src/logger.gd b/src/logger.gd
index 12fd3ba..3097b21 100644
--- a/src/logger.gd
+++ b/src/logger.gd
@@ -47,7 +47,7 @@ var config_newlines_sizelimit: int
 # +++ module +++
 func _cleanup() -> void:
 	for instance in instances:
-		if !is_instance_valid(instance):
+		if is_instance_valid(instance):
 			loggeri.diag("Removing instance '" + instance.name + "'")
 			instance.queue_free()