diff --git a/kwh-cost.c b/kwh-cost.c
index d48ba04..e7aa237 100644
--- a/kwh-cost.c
+++ b/kwh-cost.c
@@ -23,10 +23,10 @@ int main(const int argc, const char *const *const argv) {
     interval_t interval = 0;
 
     switch (parse_arguments(argc, argv, &price, &wattage, &interval)) {
-        case 1: print_usage(); exit(0);
-        case 2: print_version(); exit(0);
-        case 99: fputs("Unknown flag provided.\n", stderr); print_usage(); exit(1);
-    }   
+        case 1: print_usage(); return 0;
+        case 2: print_version(); return 0;
+        case 99: fputs("Unknown flag provided.\n", stderr); print_usage(); return 1;
+    }
 
     printf("%.2Lf\n", (price * wattage) * interval);