Index: kernel/arch/mips32/src/debug/stacktrace.c
===================================================================
--- kernel/arch/mips32/src/debug/stacktrace.c	(revision 0407636ceda67e68eb4456da50da5790c6a50911)
+++ kernel/arch/mips32/src/debug/stacktrace.c	(revision 7367c312a2e6aa20171463840a60416c6f2d046c)
@@ -62,4 +62,5 @@
 
 #include <stacktrace.h>
+#include <stddef.h>
 #include <syscall/copy.h>
 #include <typedefs.h>