diff --git a/sp/src/game/server/hl2/grenade_bugbait.cpp b/sp/src/game/server/hl2/grenade_bugbait.cpp
index 0f054d57..feddcd56 100644
--- a/sp/src/game/server/hl2/grenade_bugbait.cpp
+++ b/sp/src/game/server/hl2/grenade_bugbait.cpp
@@ -35,6 +35,9 @@ CBugBaitSensor* GetBugBaitSensorList()
 CBugBaitSensor::CBugBaitSensor( void )
 {
 	g_BugBaitSensorList.Insert( this );
+#ifdef MAPBASE
+	m_bUseRadius = true;
+#endif
 }
 
 CBugBaitSensor::~CBugBaitSensor( void )