diff --git a/CantoOrvikPilotes/Source/GPIO.c b/CantoOrvikPilotes/Source/GPIO.c
index c407c49..89de2cb 100644
--- a/CantoOrvikPilotes/Source/GPIO.c
+++ b/CantoOrvikPilotes/Source/GPIO.c
@@ -14,7 +14,20 @@ void SetBroche(uint32_t GPIO, int Broche){
 }
 
 void ConfigureGPIO(uint32_t GPIO, int Broche, int IO, char Mode){
-  RCC->APB2ENR |= RCC_APB2ENR_IOPAEN; // Clock GPIOA enable
+	//Start clock
+if(GPIO == GPIOA){
+	RCC -> APB2ENR |= RCC_APB2ENR_IOPAEN;
+}
+else if(GPIO == GPIOB){
+	RCC -> APB2ENR |= RCC_APB2ENR_IOPBEN;
+}
+else if(GPIO == GPIOC){
+	RCC -> APB2ENR |= RCC_APB2ENR_IOPCEN;
+}
+else if(GPIO == GPIOD){
+	RCC -> APB2ENR |= RCC_APB2ENR_IOPDEN;
+}
+
   if (Broche < 8) {
   GPIO -> CRL &= ~(0x1 << Broche *4) & ~(0x1 << Broche *4 +1) & ~(0x1 << Broche *4 + 2) & ~(0x1 << Broche *4 + 3); // Clean bits 
   if (IO == 0){ //Input