diff --git a/solvers/UWaitForIt.pas b/solvers/UWaitForIt.pas
index ec69b28..e2c08fd 100644
--- a/solvers/UWaitForIt.pas
+++ b/solvers/UWaitForIt.pas
@@ -29,6 +29,7 @@ type
   { TWaitForIt }
 
   TWaitForIt = class(TSolver)
+  private
     FTimes, FDistances: specialize TFPGList<Cardinal>;
     FLongTime, FLongDistance: UInt64;
     function CalcRange(const ATime, ADistance: UInt64): Cardinal;