diff --git a/osbase/test/ktest/BUILD.bazel b/osbase/test/ktest/BUILD.bazel
index 654416e..3d8bb2a 100644
--- a/osbase/test/ktest/BUILD.bazel
+++ b/osbase/test/ktest/BUILD.bazel
@@ -41,6 +41,7 @@
     name = "linux-testing",
     image_format = "vmlinux",
     kernel_config = ":testing-config",
+    kernel_src = "@linux//:all",
     # This image is directly used by the ktest macro, thus it needs a pretty
     # wide visibility.
     visibility = [