diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 614a7d40759666da9416c34c4d544e901220a497..909044f2fda855f0588bc956033e3846e5c67f10 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -3546,6 +3546,8 @@ (define-public metabat
 enables the study of individual organisms and their interactions.  MetaBAT is
 an automated metagenome binning software, which integrates empirical
 probabilistic distances of genome abundance and tetranucleotide frequency.")
+    ;; The source code contains inline assembly.
+    (supported-systems '("x86_64-linux" "i686-linux"))
     (license (license:non-copyleft "file://license.txt"
                                    "See license.txt in the distribution."))))