diff --git a/uart/uart_posix.c b/uart/uart_posix.c
index 26e814a3a..0ead61500 100644
--- a/uart/uart_posix.c
+++ b/uart/uart_posix.c
@@ -33,12 +33,12 @@
  * proxmark3 project.
  */
 
-#include "uart.h"
-
 // Test if we are dealing with posix operating systems
 #ifndef _WIN32	 
 #define _DEFAULT_SOURCE
 
+#include "uart.h"
+
 #include <termios.h>
 #include <sys/ioctl.h>
 #include <unistd.h>