diff --git a/gamedata/sdktools.games/engine.ep2valve.txt b/gamedata/sdktools.games/engine.ep2valve.txt
index 47772302..b5a33e47 100644
--- a/gamedata/sdktools.games/engine.ep2valve.txt
+++ b/gamedata/sdktools.games/engine.ep2valve.txt
@@ -197,7 +197,6 @@
 		"#supported"
 		{
 			"game"		"dod"
-			"game"		"tf"
 			"game"		"hl2mp"
 		}
 		"Signatures"
diff --git a/gamedata/sdktools.games/game.tf.txt b/gamedata/sdktools.games/game.tf.txt
index 0e7dbe01..5065fe16 100644
--- a/gamedata/sdktools.games/game.tf.txt
+++ b/gamedata/sdktools.games/game.tf.txt
@@ -11,6 +11,21 @@
 
 "Games"
 {
+	/* CBaseEntityOutput::FireOutput */
+	"#default"
+	{
+		"Signatures"
+		{
+			"FireOutput"
+			{
+				"library"	"server"
+				"windows"	"\x55\x8B\xEC\x81\xEC\x2A\x2A\x2A\x2A\x53\x8B\x5D\x08\x56\xBE"
+				"linux"		"@_ZN17CBaseEntityOutput10FireOutputE9variant_tP11CBaseEntityS2_f"
+				"mac"		"@_ZN17CBaseEntityOutput10FireOutputE9variant_tP11CBaseEntityS2_f"
+			}
+		}
+	}
+	
 	/* Team Fortress 2 */
 	"tf"
 	{