diff --git a/nl80211_message.cc b/nl80211_message.cc
index db3e52e..077f666 100644
--- a/nl80211_message.cc
+++ b/nl80211_message.cc
@@ -484,6 +484,10 @@
       NL80211_ATTR_MAC, Bind(&NetlinkAttribute::NewNl80211AttributeFromId));
 }
 
+const uint8_t SetWakeOnPacketConnMessage::kCommand = NL80211_CMD_SET_WOWLAN;
+const char SetWakeOnPacketConnMessage::kCommandString[] =
+    "NL80211_CMD_SET_WOWLAN";
+
 const uint8_t GetWiphyMessage::kCommand = NL80211_CMD_GET_WIPHY;
 const char GetWiphyMessage::kCommandString[] = "NL80211_CMD_GET_WIPHY";