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-rw-r--r--guix/utils.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/guix/utils.scm b/guix/utils.scm
index 3e334f9fa6..287a6d4f3a 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -458,7 +458,8 @@ starting from the right of S."
(define %nixpkgs-directory
(make-parameter
;; Capture the build-time value of $NIXPKGS.
- (compile-time-value (getenv "NIXPKGS"))))
+ (or (compile-time-value (getenv "NIXPKGS"))
+ (getenv "NIXPKGS"))))
(define* (nixpkgs-derivation attribute #:optional (system (%current-system)))
"Return the derivation path of ATTRIBUTE in Nixpkgs."