diff --git a/cookbook/models.py b/cookbook/models.py
index d979184f7..44d8d8f83 100644
--- a/cookbook/models.py
+++ b/cookbook/models.py
@@ -73,7 +73,7 @@ class Recipe(models.Model):
 class RecipeIngredients(models.Model):
     recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
     unit = models.CharField(max_length=128)
-    amount = models.DecimalField(default=0)
+    amount = models.DecimalField(default=0, decimal_places=2, max_digits=16)
     ingredient = models.ForeignKey(Ingredients, models.PROTECT)