diff --git a/src/main.c b/src/main.c
index a831287..b6e7eaf 100644
--- a/src/main.c
+++ b/src/main.c
@@ -33,10 +33,12 @@ int parse_arguments(const int argc, const char *const *const argv,
                 return 1;
             else if (argv[i][1] == 'v' || argv[i][2] == 'v')
                 return 2;
+            else
+                return 99;
         } else if (argc < 4) {
             return 1;
         } else if (pos == 0) {
-            *price = price_to_wattspersecond((price_t)atof(argv[i]));
+            *price = price_kwh_to_wattspersecond((price_t)atof(argv[i]));
             ++pos;
         } else if (pos == 1) {
             *wattage = (wattage_t)atof(argv[2]);