diff --git a/ES/Lab/Lab8/JOHNSON_Up_Down_Same_GPIO.c b/ES/Lab/Lab8/JOHNSON_Up_Down_Same_GPIO.c
index 8eac755..81f231d 100644
--- a/ES/Lab/Lab8/JOHNSON_Up_Down_Same_GPIO.c
+++ b/ES/Lab/Lab8/JOHNSON_Up_Down_Same_GPIO.c
@@ -12,8 +12,8 @@ int main(){
 	while(1){
 		x = LPC_GPIO0->FIOPIN & (1 << 10); 
 		if(x){
-					y = 1<<22;
-					for(i=0;i<8;i++){
+				y = 1<<22;
+				for(i=0;i<8;i++){
 					LPC_GPIO0->FIOSET=y; 
 					y = y>>1;
 					for(j=0; j<800000; j++);