diff --git a/Core/GameEngine/Source/Common/System/Radar.cpp b/Core/GameEngine/Source/Common/System/Radar.cpp
index fb550078f64..7a9ded4731e 100644
--- a/Core/GameEngine/Source/Common/System/Radar.cpp
+++ b/Core/GameEngine/Source/Common/System/Radar.cpp
@@ -1186,8 +1186,7 @@ Bool Radar::tryEvent( RadarEventType event, const Coord3D *pos )
 		{
 
 			// get distance from our new event location to this event location in 2D
-			Real distSquared = m_event[ i ].worldLoc.x - pos->x * m_event[ i ].worldLoc.x - pos->x +
-												 m_event[ i ].worldLoc.y - pos->y * m_event[ i ].worldLoc.y - pos->y;
+			const Real distSquared = sqr(m_event[ i ].worldLoc.x - pos->x) + sqr(m_event[ i ].worldLoc.y - pos->y);
 
 			if( distSquared <= closeEnoughDistanceSq )
 			{