diff --git a/module/zfs/spa_history.c b/module/zfs/spa_history.c
index 6dfc927b28..73571c0325 100644
--- a/module/zfs/spa_history.c
+++ b/module/zfs/spa_history.c
@@ -616,7 +616,7 @@ spa_history_log_version(spa_t *spa, const char *operation)
 	utsname_t *u = utsname();
 
 	spa_history_log_internal(spa, operation, NULL,
-	    "pool version %llu; software version %llu/%d; uts %s %s %s %s",
+	    "pool version %llu; software version %llu/%llu; uts %s %s %s %s",
 	    (u_longlong_t)spa_version(spa), SPA_VERSION, ZPL_VERSION,
 	    u->nodename, u->release, u->version, u->machine);
 }