diff --git a/experiment/Makefile b/experiment/Makefile
index 1f435ff..3db34a7 100644
--- a/experiment/Makefile
+++ b/experiment/Makefile
@@ -3,11 +3,11 @@
 #  some ugly experiments, do not use in production
 #
 
-COPT = -Wall -Wextra -fpic -g -DDEBUG_LEVEL=1 -lm
+COPT = -Wall -Wextra -fpic -g -DDEBUG_LEVEL=0 -lm
 DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 LIBS = ../libfloatimg.a -ltiff -lpnglite -lcfitsio -lm
 
-all:	assemblage extracteur muxplanes movepixels
+all:	assemblage extracteur muxplanes movepixels mnt
 
 # ---------------------------------------------------------