diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 48d02801ab54..813abd16255d 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -116,6 +116,7 @@ struct pt_watch_regs {
 
 #include <linux/compiler.h>
 #include <linux/linkage.h>
+#include <linux/types.h>
 #include <asm/isadep.h>
 
 struct task_struct;