diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
index 596c8f8..ed5d3a3 100644
--- a/arch/sandbox/Makefile
+++ b/arch/sandbox/Makefile
@@ -20,7 +20,7 @@
 		-Dfputs=barebox_fputs -Dsetenv=barebox_setenv \
 		-Dgetenv=barebox_getenv -Dprintf=barebox_printf \
 		-Dglob=barebox_glob -Dglobfree=barebox_globfree \
-		-Dioctl=barebox_ioctl
+		-Dioctl=barebox_ioctl -Dfstat=barebox_fstat
 
 machdirs := $(patsubst %,arch/sandbox/mach-%/,$(machine-y))