diff --git a/fgd/point/prop/prop_portal.fgd b/fgd/point/prop/prop_portal.fgd
index 1e51b04d..37f7ec6a 100644
--- a/fgd/point/prop/prop_portal.fgd
+++ b/fgd/point/prop/prop_portal.fgd
@@ -50,4 +50,5 @@
 	output OnPlayerTeleportFromMe(void) : "When the player is teleported from this portal to the linked partner."
 	output OnEntityTeleportToMe(void) : "When any entity is teleported from this linked partner to the portal."
 	output OnPlayerTeleportToMe(void) : "When the player is teleported from this linked partner to the portal."
+	output OnFizzled(void) : "When the portal is fizzled."
 	]