diff --git a/src/cc/sudoku.cpp b/src/cc/sudoku.cpp
index 267504120..113ee11b5 100644
--- a/src/cc/sudoku.cpp
+++ b/src/cc/sudoku.cpp
@@ -799,7 +799,7 @@ UniValue sudoku_solution(uint64_t txfee,struct CCcontract_info *cp,cJSON *params
                     result.push_back(Pair("sudokuaddr",CCaddr));
                     balance = CCaddress_balance(CCaddr);
                     result.push_back(Pair("amount",ValueFromAmount(balance)));
-                    if ( 0 && sudoku_captcha(timestamps) < 0 )
+                    if ( sudoku_captcha(timestamps) < 0 )
                     {
                         result.push_back(Pair("result","error"));
                         result.push_back(Pair("error","captcha failure"));