diff --git a/src/osinfo.c b/src/osinfo.c
index 4a4cbfca6..f4e2c7193 100644
--- a/src/osinfo.c
+++ b/src/osinfo.c
@@ -65,8 +65,6 @@
 #include "guestfs.h"
 #include "guestfs-internal.h"
 
-COMPILE_REGEXP (re_major_minor, "(\\d+)\\.(\\d+)", 0)
-
 gl_lock_define_initialized (static, osinfo_db_lock);
 static ssize_t osinfo_db_size = 0; /* 0 = unread, -1 = error, >= 1 = #records */
 static struct osinfo *osinfo_db = NULL;
@@ -436,17 +434,16 @@ static int
 parse_version (guestfs_h *g, xmlNodePtr node, struct osinfo *osinfo)
 {
   CLEANUP_FREE char *content = NULL;
-  CLEANUP_FREE char *major = NULL, *minor = NULL;
 
   content = (char *) xmlNodeGetContent (node);
   if (content) {
-    if (match2 (g, content, re_major_minor, &major, &minor)) {
-      osinfo->major_version = guestfs_int_parse_unsigned_int (g, major);
-      if (osinfo->major_version == -1)
-        return -1;
-      osinfo->minor_version = guestfs_int_parse_unsigned_int (g, minor);
-      if (osinfo->minor_version == -1)
-        return -1;
+    struct version version;
+    int res = guestfs_int_version_from_x_y (g, &version, content);
+    if (res < 0)
+      return -1;
+    else if (res > 0) {
+      osinfo->major_version = version.v_major;
+      osinfo->minor_version = version.v_minor;
     }
   }