diff --git a/src/main.c b/src/main.c
index 63daeac..e4c4b10 100644
--- a/src/main.c
+++ b/src/main.c
@@ -23,7 +23,8 @@ int main(const int argc, const char * const * const argv) {
     return 0;
 }
 
-int parse_arguments(const int argc, const char *const *const argv, price_t *const price, wattage_t *const wattage, interval_t *const interval) {
+int parse_arguments(const int argc, const char * const * const argv,
+                    price_t * const price, wattage_t * const wattage, interval_t * const interval) {
     if (argc < 2) return 1;
 
     for (int i = 1, pos = 0; i < argc; ++i)
diff --git a/src/main.h b/src/main.h
index 4d06567..d987387 100644
--- a/src/main.h
+++ b/src/main.h
@@ -7,7 +7,8 @@ typedef long double   price_t;
 typedef long double   wattage_t;
 typedef unsigned long interval_t;
 
-int parse_arguments(const int argc, const char *const *const argv, price_t *const price, wattage_t *const wattage, interval_t *const interval);
+int parse_arguments(const int argc, const char *const *const argv,
+                    price_t * const price, wattage_t * const wattage, interval_t * const interval);
 
 inline interval_t interval_to_seconds(const char * const interval);
 inline price_t    to_wattspersecond(const price_t price);