diff --git a/sys/i386/ibcs2/ibcs2_sysvec.c b/sys/i386/ibcs2/ibcs2_sysvec.c
index b1717f47a3b..027c99064b7 100644
--- a/sys/i386/ibcs2/ibcs2_sysvec.c
+++ b/sys/i386/ibcs2/ibcs2_sysvec.c
@@ -40,6 +40,8 @@
 #include <i386/ibcs2/ibcs2_syscall.h>
 #include <i386/ibcs2/ibcs2_signal.h>
 
+MODULE_VERSION(ibcs2, 1);
+
 extern int bsd_to_ibcs2_errno[];
 extern struct sysent ibcs2_sysent[IBCS2_SYS_MAXSYSCALL];
 extern int szsigcode;
diff --git a/sys/i386/ibcs2/imgact_coff.c b/sys/i386/ibcs2/imgact_coff.c
index 1ada323c0aa..6494ce97355 100644
--- a/sys/i386/ibcs2/imgact_coff.c
+++ b/sys/i386/ibcs2/imgact_coff.c
@@ -50,6 +50,8 @@
 #include <i386/ibcs2/coff.h>
 #include <i386/ibcs2/ibcs2_util.h>
 
+MODULE_DEPEND(coff, ibcs2, 1, 1, 1);
+
 extern struct sysentvec ibcs2_svr3_sysvec;
 
 static int coff_load_file __P((struct proc *p, char *name));