diff --git a/coverage/gcovr.cfg b/coverage/gcovr.cfg
new file mode 100644
index 000000000..4ec590674
--- /dev/null
+++ b/coverage/gcovr.cfg
@@ -0,0 +1,5 @@
+exclude-branches-by-pattern = \s*(?:weston_assert_)
+html-nested = yes
+html-theme = github.green
+html-title = Weston test suite coverage
+print-summary = yes
diff --git a/coverage/meson.build b/coverage/meson.build
index 1a537a66a..99b64d456 100644
--- a/coverage/meson.build
+++ b/coverage/meson.build
@@ -18,12 +18,9 @@ run_target(
 	command: [
 		prog_gcovr,
 		'--root', '@SOURCE_ROOT@',
+		'--config', files('gcovr.cfg'),
 		'--cobertura', meson.current_build_dir() / 'cobertura.xml',
 		'--html', meson.current_build_dir() / 'index.html',
-		'--html-nested',
-		'--html-theme', 'github.green',
-		'--html-title', 'Weston test suite coverage',
-		'--print-summary',
 		meson.project_build_root(),
 	],
 )