diff --git a/core/client.lua b/core/client.lua
index a6d4344..766de4b 100644
--- a/core/client.lua
+++ b/core/client.lua
@@ -45,9 +45,11 @@ RegisterNUICallback("minigame_result", function(data, cb)
 
     is_busy = false
 
-    if current_cb then
-        current_cb(data)
-        current_cb = nil
+    local callback = current_cb
+    current_cb = nil
+
+    if callback then
+        callback(data)
     end
 
     cb("ok")