diff --git a/manifest.json b/manifest.json
index 610dc0e..a6e14cb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -19,5 +19,5 @@
     "conflicts": [
         "Jen"
     ],
-    "version": "1.7.15"
+    "version": "1.7.16"
 }
\ No newline at end of file
diff --git a/src/joker.lua b/src/joker.lua
index f2b4a38..cac8ca4 100644
--- a/src/joker.lua
+++ b/src/joker.lua
@@ -432,7 +432,7 @@ SMODS.Joker {
             card.children.floating_sprite:set_sprite_pos({x = Jane.sinister and 2 or 1, y = y})
         end
 
-        local level = tonumber(card.ability.extra.level)
+        local level = tonumber(card.ability.extra.level) or 0
 
         if not Jane.sinister and level > 2 then
             card:juice_up(0, math.random() * (level - 2) / #Jane.rarity_ids)