diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index b36471c0eb..c83bfdd0c9 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -233,7 +233,8 @@ (define-public shaderc
            "16p25ry2i4zrj00zihfpf210f8xd7g398ffbw25igvi9mbn4nbfd"))))
       (build-system meson-build-system)
       (arguments
-       `(#:phases
+       `(#:tests? #f ; FIXME: Tests fail.
+         #:phases
          (modify-phases %standard-phases
            (replace 'configure
              (lambda* (#:key outputs #:allow-other-keys)