diff --git a/wadsrc/static/zscript/shared/player.txt b/wadsrc/static/zscript/shared/player.txt
index b1d803107..4a69e6b36 100644
--- a/wadsrc/static/zscript/shared/player.txt
+++ b/wadsrc/static/zscript/shared/player.txt
@@ -985,7 +985,7 @@ class PlayerPawn : Actor native
 	//
 	//===========================================================================
 
-	double, double TweakSpeeds (double forward, double side)
+	virtual double, double TweakSpeeds (double forward, double side)
 	{
 		// Strife's player can't run when its health is below 10
 		if (health <= RunHealth)