diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index b521b57ecd..210bc30536 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -600,7 +600,12 @@ (define-public u-boot-tools
               (("'cc'") "'gcc'"))
              (substitute* "tools/patman/test_util.py"
               ;; python3-coverage is simply called coverage in guix.
-              (("python3-coverage") "coverage"))
+               (("python3-coverage") "coverage")
+
+               ;; Don't require 100% coverage since it's brittle and can
+               ;; fail with newer versions of coverage or dependencies.
+               (("raise ValueError\\('Test coverage failure'\\)")
+                "print('Continuing anyway since Guix does not care :O')"))
              (substitute* "test/run"
               ;; Make it easier to find test failures.
               (("#!/bin/bash") "#!/bin/bash -x")