diff --git a/main.c b/main.c
index 76414df..69dcace 100644
--- a/main.c
+++ b/main.c
@@ -222,7 +222,10 @@ int main(int argc, char *argv[])
     char *file_path = get_file(dir_path, t);
 
     if(!is_directory(dir_path)) {
-        mkdir(dir_path, 0700); // WARNING: Might fail, what then?
+        if(mkdir(dir_path, 0700) == -1) {
+            fprintf(stderr, "mkdir(%s) failed: %s\n", dir_path, strerror(errno));
+            return 1;
+        }
     }
 
     FILE *f;
@@ -336,8 +339,7 @@ int main(int argc, char *argv[])
             current_activity = 0;
 
             activities[current_activity].type = type;
-            activities[current_activity].color =
-                activity_type_color_representation[type];
+            activities[current_activity].color = activity_type_color_representation[type];
             activities[current_activity].began = now();
         }