diff --git a/libnm-core/nm-utils.c b/libnm-core/nm-utils.c
index 303cdfb950..88482c59d3 100644
--- a/libnm-core/nm-utils.c
+++ b/libnm-core/nm-utils.c
@@ -2554,7 +2554,7 @@ static const NMVariantAttributeSpec *const tc_action_mirred_attribute_spec[] = {
 	NM_VARIANT_ATTRIBUTE_SPEC_DEFINE ("ingress",  G_VARIANT_TYPE_BOOLEAN, .no_value = TRUE, ),
 	NM_VARIANT_ATTRIBUTE_SPEC_DEFINE ("mirror",   G_VARIANT_TYPE_BOOLEAN, .no_value = TRUE, ),
 	NM_VARIANT_ATTRIBUTE_SPEC_DEFINE ("redirect", G_VARIANT_TYPE_BOOLEAN, .no_value = TRUE, ),
-	NM_VARIANT_ATTRIBUTE_SPEC_DEFINE ("dev",      G_VARIANT_TYPE_STRING,  .no_value = TRUE, ),
+	NM_VARIANT_ATTRIBUTE_SPEC_DEFINE ("dev",      G_VARIANT_TYPE_STRING,                    ),
 	NULL,
 };