diff --git a/gnu/packages/mit-krb5.scm b/gnu/packages/mit-krb5.scm
index 43cc376281..8fea060bf6 100644
--- a/gnu/packages/mit-krb5.scm
+++ b/gnu/packages/mit-krb5.scm
@@ -51,6 +51,10 @@ (define-public mit-krb5
        ;; Likewise with tests.
        #:parallel-tests? #f
 
+       ;; XXX: On i686, 'kdb5_util' hangs on an fcntl/F_SETLKW call while
+       ;; running the tests in 'src/tests'.
+       #:tests? ,(not (string=? (%current-system) "i686-linux"))
+
        #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'enter-source-directory