diff --git a/arch/m68k/include/asm/posix_types.h b/arch/m68k/include/asm/posix_types.h
index b97d267423..4fbc0405f7 100644
--- a/arch/m68k/include/asm/posix_types.h
+++ b/arch/m68k/include/asm/posix_types.h
@@ -15,7 +15,7 @@ typedef long		__kernel_off_t;
 typedef int		__kernel_pid_t;
 typedef unsigned int	__kernel_uid_t;
 typedef unsigned int	__kernel_gid_t;
-typedef unsigned long	__kernel_size_t;
+typedef unsigned int	__kernel_size_t;
 typedef int		__kernel_ssize_t;
 typedef long		__kernel_ptrdiff_t;
 typedef long		__kernel_time_t;