diff --git a/firmware/src/main.c b/firmware/src/main.c
index cafa3c7..fac89de 100644
--- a/firmware/src/main.c
+++ b/firmware/src/main.c
@@ -104,10 +104,10 @@ void spi_init(void) {
 }
 
 uint8_t spi_byte(uint8_t data) {
-   SPDR = data;
-   while(!(SPSR & (1 << SPIF)));
-   return SPDR;
- }
+    SPDR = data;
+    while(!(SPSR & (1 << SPIF)));
+    return SPDR;
+}
 
 void lcd_write(uint8_t data) {
     SPI_PORT &= ~(1 << SPI_SS);
@@ -256,7 +256,7 @@ static void lcd_home(void) {
     bool ch3_selected = false;
     bool setup_selected = false;
 
-    switch(home_state) {
+    switch (home_state) {
     case ch1:
         ch1_selected = true;
         break;
@@ -425,7 +425,7 @@ static void lcd_setup(void) {
 }
 
 static void change_state(enum state new_state) {
-    switch(new_state) {
+    switch (new_state) {
     case home:
         lcd_home();
         current_state = home;
@@ -500,7 +500,7 @@ static void update_state(enum input event) {
 ISR(PCINT0_vect) {
     cli();
 
-    switch(enc) {
+    switch (enc) {
     case 0:
         if (ENC_A && !ENC_B)
             enc = 1;