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-rw-r--r--gn/packages/bioinformatics.scm9
1 files changed, 5 insertions, 4 deletions
diff --git a/gn/packages/bioinformatics.scm b/gn/packages/bioinformatics.scm
index 391c2bf..fbe58ff 100644
--- a/gn/packages/bioinformatics.scm
+++ b/gn/packages/bioinformatics.scm
@@ -477,10 +477,11 @@ reads.")
               (("^handlegraph.*") "handlegraph = \"0.7\"\n"))))))
     (build-system cargo-build-system)
     (arguments
-     `(#:rust ,(if (> (string->number (version-major+minor (package-version rust-1.49)))
-                      (string->number (version-major+minor (package-version rust))))
-                 rust-1.49
-                 rust)
+     `(#:rust ,(let ((rust-1.49 (@@ (gnu packages rust) rust-1.49)))
+                 (if (> (string->number (version-major+minor (package-version rust-1.49)))
+                        (string->number (version-major+minor (package-version rust))))
+                     rust-1.49
+                     rust))
        #:cargo-inputs
        (("rust-clap" ,rust-clap-3)
         ("rust-rustc-hash" ,rust-rustc-hash-1)