diff --git a/tools/.gitignore b/tools/.gitignore
index 7083bae..10264e4 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -17,5 +17,8 @@ cumulfimgs
 fimgops
 fimgfx
 fimgmetadata
+fimgfilters
+
+*.gif
 *.png
 *.tiff
diff --git a/tools/Makefile b/tools/Makefile
index 4b88bd1..40a352e 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -13,9 +13,12 @@ DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 all:	fimg2pnm mkfimg png2fimg fimgstats fimg2png		\
 	fimg2tiff fimg2text fimg2fits				\
 	addpnm2fimg cumulfimgs fimgops fimgfx			\
-	fimgmetadata						\
+	fimgmetadata fimgfilters				\
 	fimghalfsize fimgextract
 
+fimgfilters:	fimgfilters.c $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -lm -o $@
+
 fimgmetadata:	fimgmetadata.c $(DEPS)
 	gcc $(COPT) $< ../libfloatimg.a -lm -o $@
 
diff --git a/tools/fimgfilters.c b/tools/fimgfilters.c
index 2057295..5038db2 100644
--- a/tools/fimgfilters.c
+++ b/tools/fimgfilters.c
@@ -16,7 +16,7 @@
 int		verbosity;
 
 /* --------------------------------------------------------------------- */
-int filtre_image(char *infname, char *outfname)
+int filtre_image(char *infname, char *outfname, int type)
 {
 FloatImg	src, dst;
 int		foo;
@@ -30,9 +30,11 @@ static FimgFilter3x3   filtre = {
         1.0/24.0,   0.0
         };
 
-fprintf(stderr, ">>> %s ( '%s' '%s' )\n", __func__, infname, outfname);
 
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' '%s' %d )\n", __func__, infname, outfname, type);
 fimg_show_filter(NULL, &filtre);
+#endif
 
 if ((foo = fimg_create_from_dump(infname, &src))) {
 	fprintf(stderr, "read error on '%s' is %d\n", infname, foo);
@@ -52,9 +54,10 @@ if (foo) {
 foo = fimg_dump_to_file(&dst, outfname, 0);
 if (foo) {
 	fprintf(stderr, "dumping to file give us a %d\n", foo);
+	exit(5);
 	}
 
-return -12;
+return 0;
 }
 /* --------------------------------------------------------------------- */
 
@@ -69,7 +72,7 @@ if (3 != argc) {
 
 fprintf(stderr, "    +++ %s +++\n", argv[0]);
 
-foo = filtre_image(argv[1], argv[2]);
+foo = filtre_image(argv[1], argv[2], 0);
 fprintf(stderr, "    filtrage -> %d\n", foo);
 
 return 0;