diff --git a/apps/plugins/chessbox/chessbox.c b/apps/plugins/chessbox/chessbox.c
index fce5c72d61..aedb9f8cc3 100644
--- a/apps/plugins/chessbox/chessbox.c
+++ b/apps/plugins/chessbox/chessbox.c
@@ -1032,6 +1032,7 @@ void cb_play_game(void) {
                     computer = black;
                 }
                 rb->splash ( 0 , "Thinking..." );
+                ElapsedTime(1);
 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
                 rb->cpu_boost ( true );
 #endif
diff --git a/apps/plugins/chessbox/gnuchess.h b/apps/plugins/chessbox/gnuchess.h
index 5e8974f3b7..5367bb3254 100644
--- a/apps/plugins/chessbox/gnuchess.h
+++ b/apps/plugins/chessbox/gnuchess.h
@@ -52,5 +52,6 @@ void GNUChess_Initialize(void);
 int  VerifyMove(char s[],short iop,unsigned short *mv);
 int  SelectMove ( short side, short iop , void (*callback)(void), char *move_buffer );
 void InitializeStats ( void );
+void ElapsedTime ( short iop );
 
 #endif