diff --git a/V1/switch.c b/V1/switch.c
index 3b3ac1e..b00692a 100644
--- a/V1/switch.c
+++ b/V1/switch.c
@@ -27,6 +27,7 @@ int reserve(char gpioPort)
 		return EXIT_FAILURE;			
 	} 	
 	printf("Success");
+	close(fd);
 	return EXIT_SUCCESS;	
 }