diff --git a/src/lua/endpoints/sell.lua b/src/lua/endpoints/sell.lua
index 5d112222..05e09cad 100644
--- a/src/lua/endpoints/sell.lua
+++ b/src/lua/endpoints/sell.lua
@@ -32,7 +32,7 @@ return {
     },
   },
 
-  requires_state = { G.STATES.SELECTING_HAND, G.STATES.SHOP },
+  requires_state = { G.STATES.SELECTING_HAND, G.STATES.SHOP, G.STATES.SMODS_BOOSTER_OPENED },
 
   ---@param args Request.Endpoint.Sell.Params
   ---@param send_response fun(response: Response.Endpoint)
@@ -144,7 +144,11 @@ return {
         local state_stable = G.STATE_COMPLETE == true
 
         -- 5. Still in valid state
-        local valid_state = (G.STATE == G.STATES.SHOP or G.STATE == G.STATES.SELECTING_HAND)
+        local valid_state = (
+          G.STATE == G.STATES.SHOP
+          or G.STATE == G.STATES.SELECTING_HAND
+          or G.STATE == G.STATES.SMODS_BOOSTER_OPENED
+        )
 
         -- All conditions must be met
         if count_decreased and money_increased and card_gone and state_stable and valid_state then