diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
index 131a56a8dc..e75a1c9705 100644
--- a/src/util/virnetdev.c
+++ b/src/util/virnetdev.c
@@ -3155,8 +3155,11 @@ int virNetDevSetCoalesce(const char *ifname,
 }
 # else
 int virNetDevSetCoalesce(const char *ifname,
-                         virNetDevCoalescePtr coalesce ATTRIBUTE_UNUSED)
+                         virNetDevCoalescePtr coalesce)
 {
+    if (!coalesce)
+        return 0;
+
     virReportSystemError(ENOSYS,
                          _("Cannot set coalesce info on interface '%s'"),
                          ifname);
@@ -3213,8 +3216,11 @@ virNetDevGetFeatures(const char *ifname ATTRIBUTE_UNUSED,
 }
 
 int virNetDevSetCoalesce(const char *ifname,
-                         virNetDevCoalescePtr coalesce ATTRIBUTE_UNUSED)
+                         virNetDevCoalescePtr coalesce)
 {
+    if (!coalesce)
+        return 0;
+
     virReportSystemError(ENOSYS,
                          _("Cannot set coalesce info on interface '%s'"),
                          ifname);