diff --git a/features/minimal-printf/mbed_printf_implementation.c b/features/minimal-printf/mbed_printf_implementation.c
index 6fa3881a99..388623685d 100644
--- a/features/minimal-printf/mbed_printf_implementation.c
+++ b/features/minimal-printf/mbed_printf_implementation.c
@@ -16,7 +16,7 @@
 
 #include "mbed_printf_implementation.h"
 
-
+#include <stdbool.h>
 
 /***************************/
 /* MBED                    */