diff --git a/drivers/md/lvm-internal.h b/drivers/md/lvm-internal.h
index aca8632..f95069e 100644
--- a/drivers/md/lvm-internal.h
+++ b/drivers/md/lvm-internal.h
@@ -45,6 +45,7 @@ extern int loadtime;
 extern const char *const lvm_name;
 
 
+extern uint vg_count;
 extern vg_t *vg[];
 extern struct file_operations lvm_chr_fops;