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-rw-r--r--gnu/system.scm6
1 files changed, 4 insertions, 2 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index acb7f15e4e..6dfcc0fe3a 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -673,12 +673,14 @@ listed in OS. The C library expects to find it under
((system (operating-system-derivation os))
(root-fs -> (operating-system-root-file-system os))
(kernel -> (operating-system-kernel os))
+ (root-device -> (if (eq? 'uuid (file-system-title root-fs))
+ (uuid->string (file-system-device root-fs))
+ (file-system-device root-fs)))
(entries -> (list (menu-entry
(label (kernel->grub-label kernel))
(linux kernel)
(linux-arguments
- (cons* (string-append "--root="
- (file-system-device root-fs))
+ (cons* (string-append "--root=" root-device)
#~(string-append "--system=" #$system)
#~(string-append "--load=" #$system
"/boot")