diff --git a/src/game/client/components/particles.cpp b/src/game/client/components/particles.cpp
index f8ae0ac4c..7c156675c 100644
--- a/src/game/client/components/particles.cpp
+++ b/src/game/client/components/particles.cpp
@@ -177,6 +177,10 @@ bool CParticles::ParticleIsVisibleOnScreen(const vec2 &CurPos, float CurSize)
 	float ScreenX0, ScreenY0, ScreenX1, ScreenY1;
 	Graphics()->GetScreen(&ScreenX0, &ScreenY0, &ScreenX1, &ScreenY1);
 
+	// for simplicity assume the worst case rotation, that increases the bounding box around the particle by its diagonal
+	const float SqrtOf2 = sqrtf(2);
+	CurSize = SqrtOf2 * CurSize;
+
 	// always uses the mid of the particle
 	float SizeHalf = CurSize / 2;