diff --git a/ports/qemu-arm/test_main.c b/ports/qemu-arm/test_main.c
index 926478ea1b..adbdf04e18 100644
--- a/ports/qemu-arm/test_main.c
+++ b/ports/qemu-arm/test_main.c
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <malloc.h>
+#include <setjmp.h>
 
 #include "py/obj.h"
 #include "py/compile.h"