diff --git a/game/shared/takedamageinfo.cpp b/game/shared/takedamageinfo.cpp
index 2430256f..be3d7c0f 100644
--- a/game/shared/takedamageinfo.cpp
+++ b/game/shared/takedamageinfo.cpp
@@ -60,6 +60,7 @@ void CTakeDamageInfo::Init( CBaseEntity *pInflictor, CBaseEntity *pAttacker, CBa
 	
 	m_iDamagedOtherPlayers = 0;
 	m_iPlayerPenetrateCount = 0;
+	m_flUnknown = 0.0f;
 }
 
 CTakeDamageInfo::CTakeDamageInfo()