diff --git a/GPIO/libgpiod/ring.libgpiod.c b/GPIO/libgpiod/ring.libgpiod.c
index acc8be589dca4c55f91b3c3126449583f47c9db5..f97ffd719ef2fde9f7cbb785c90fa01c3735448c 100644
--- a/GPIO/libgpiod/ring.libgpiod.c
+++ b/GPIO/libgpiod/ring.libgpiod.c
@@ -26,8 +26,8 @@ int main(int argc, char **argv) {
    gpiod_line_request_input(linein,"main");
    while (1) {
   	   if (gpiod_line_get_value(linein))
-        	   gpiod_line_set_value(lineout,0);
+         gpiod_line_set_value(lineout,0);
   	   else
-        	   gpiod_line_set_value(lineout,1);
+         gpiod_line_set_value(lineout,1);
   	   }
    }