diff --git a/tools/test-runner b/tools/test-runner
index 40b3c658..bc580a41 100755
--- a/tools/test-runner
+++ b/tools/test-runner
@@ -586,6 +586,9 @@ class Namespace:
 		if self.is_verbose('iwd-genl'):
 			env['IWD_GENL_DEBUG'] = '1'
 
+		if self.is_verbose('iwd-acd'):
+			env['IWD_ACD_DEBUG'] = '1'
+
 		pid = self.start_process(args, env=env)
 		return pid