diff --git a/migrations/0082.sql b/migrations/0082.sql
index 9720667d..95a467b1 100644
--- a/migrations/0082.sql
+++ b/migrations/0082.sql
@@ -35,6 +35,7 @@ SELECT CASE WHEN((
 	WHERE from_qu_id = NEW.from_qu_id
 		AND to_qu_id = NEW.to_qu_id
 		AND IFNULL(product_id, 0) = IFNULL(NEW.product_id, 0)
+		AND id != NEW.id
 	UNION
 	SELECT 1
 	FROM products
diff --git a/views/quantityunitconversionform.blade.php b/views/quantityunitconversionform.blade.php
index e316d163..281dfe52 100644
--- a/views/quantityunitconversionform.blade.php
+++ b/views/quantityunitconversionform.blade.php
@@ -58,7 +58,7 @@
 				'id' => 'factor',
 				'label' => 'Factor',
 				'min' => 0,
-				'step' => 0.01,
+				'step' => 0.001,
 				'value' => $value,
 				'invalidFeedback' => $__t('The amount cannot be lower than %s and must be a valid number', '0'),
 				'additionalHtmlElements' => '<p id="qu-conversion-info" class="form-text text-info d-none"></p>',