diff --git a/sys/alpha/linux/linux_sysvec.c b/sys/alpha/linux/linux_sysvec.c
index 0adf0abc0b3..052885b8a71 100644
--- a/sys/alpha/linux/linux_sysvec.c
+++ b/sys/alpha/linux/linux_sysvec.c
@@ -57,6 +57,8 @@
 #include <i386/linux/linux_proto.h>
 #include <i386/linux/linux_util.h>
 
+MODULE_VERSION(linux, 1);
+
 MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
 
 #if BYTE_ORDER == LITTLE_ENDIAN
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c
index 0adf0abc0b3..052885b8a71 100644
--- a/sys/i386/linux/linux_sysvec.c
+++ b/sys/i386/linux/linux_sysvec.c
@@ -57,6 +57,8 @@
 #include <i386/linux/linux_proto.h>
 #include <i386/linux/linux_util.h>
 
+MODULE_VERSION(linux, 1);
+
 MALLOC_DEFINE(M_LINUX, "linux", "Linux mode structures");
 
 #if BYTE_ORDER == LITTLE_ENDIAN