diff --git a/mines.h b/mines.h
index 6c2a65b8181b5bec022d3fb18a273412e3cd976f..ad7f02fe0928f3dffef8af0398a822742dcd18a1 100644
--- a/mines.h
+++ b/mines.h
@@ -43,7 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define MINES_H_
 
 // if debug mode define this here
-#define DEBUG
+//#define DEBUG
 
 //
 // Cell