diff --git a/c/resistor-color-duo/src/resistor_color_duo.c b/c/resistor-color-duo/src/resistor_color_duo.c
index 73314ea..05f168c 100644
--- a/c/resistor-color-duo/src/resistor_color_duo.c
+++ b/c/resistor-color-duo/src/resistor_color_duo.c
@@ -18,8 +18,8 @@ int main(int ac, char **av)
 
     for (; arg<ac-1; ++arg, ++arg) {
         *i=atoi(av[arg]);
-        //*(i+1)=atoi(av[arg+1]);
-        printf("color(%d, %d)=%d\n", i[0], i[1], color_code(i));
+        *(i+1)=atoi(av[arg+1]);
+        printf("color(%d, %d)=%d\n", *i, *(i+1), color_code(i));
     }
 }
 #endif
diff --git a/c/setup-exercise.sh b/c/setup-exercise.sh
index 5fed444..9cd61a3 100755
--- a/c/setup-exercise.sh
+++ b/c/setup-exercise.sh
@@ -18,9 +18,9 @@ if (($# != 1)) || [[ ! -d $1 ]]; then
 fi
 TEMPLATES="$ROOT/templates"
 
-# copy GNUmakefile and br-common.h
+# copy main.c, GNUmakefile and br-common.h
 echo -n "copying GNUmakefile and br-common.h files... "
-cp -p "$TEMPLATES/"{GNUmakefile,br-common.h} "$1"
+cp -p "$TEMPLATES/"{GNUmakefile,br-common.h,main.c} "$1"
 echo done.
 # add include br-common.h in exercise include file
 INC=${1%/}
diff --git a/c/templates/ex.c b/c/templates/ex.c
deleted file mode 100644
index 75204ee..0000000
--- a/c/templates/ex.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/* See GNUmakefile below for explanation
- * https://github.com/braoult/exercism/blob/master/c/templates/GNUmakefile
- */
-#ifdef UNIT_TEST
-int main(int ac, char **av)
-{
-    int arg=1;
-    resistor_band_t i[2];
-
-    for (; arg<ac-1; ++arg, ++arg) {
-        *i=atoi(av[arg]);
-        *(i+1)=atoi(av[arg+1]);
-        printf("color(%d, %d)=%d\n", i[0], i[1], color_code(i));
-    }
-}
-#endif