diff --git a/2021/day01/aoc-c.c b/2021/day01/aoc-c.c
index 51318b7..74a2da3 100644
--- a/2021/day01/aoc-c.c
+++ b/2021/day01/aoc-c.c
@@ -106,8 +106,7 @@ int main(int ac, char **av)
     if (exercise == 1) {
         res = ex1();
         printf ("%s : res=%d\n", *av, res);
-    }
-    if (exercise == 2) {
+    } else {
         res = ex2();
         printf ("%s : res=%d\n", *av, res);
     }
diff --git a/2021/day02/aoc-c.c b/2021/day02/aoc-c.c
index cd052ed..dc38728 100644
--- a/2021/day02/aoc-c.c
+++ b/2021/day02/aoc-c.c
@@ -92,8 +92,7 @@ int main(int ac, char **av)
     if (exercise == 1) {
         res = ex1();
         printf ("%s : res=%d\n", *av, res);
-    }
-    if (exercise == 2) {
+    } else {
         res = ex2();
         printf ("%s : res=%d\n", *av, res);
     }