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-rw-r--r--gnu/build/image.scm5
1 files changed, 4 insertions, 1 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm
index 361ed3c920..2327cfbb45 100644
--- a/gnu/build/image.scm
+++ b/gnu/build/image.scm
@@ -86,7 +86,10 @@ turn doesn't take any constant overhead into account, force a 1-MiB minimum."
(journal-options "lazy_itable_init=1,lazy_journal_init=1"))
(apply invoke
`("fakeroot" "mke2fs" "-t" ,fs "-d" ,root
- "-L" ,label "-U" ,(uuid->string uuid)
+ "-L" ,label
+ ,@(if uuid
+ `("-U" ,(uuid->string uuid))
+ '())
"-E" ,(format #f "root_owner=~a:~a,~a"
owner-uid owner-gid journal-options)
,@fs-options