diff --git a/language.version b/language.version
index c819f7f1c..dbd798d52 100644
--- a/language.version
+++ b/language.version
@@ -1,2 +1,2 @@
 [default]
-SWWM_MODVER="\cxSWWM GZ\c- r269 (Tue 26 May 18:16:19 CEST 2020)";
+SWWM_MODVER="\cxSWWM GZ\c- r270 (Thu 28 May 16:38:10 CEST 2020)";
diff --git a/zscript/swwm_sparkyboi.zsc b/zscript/swwm_sparkyboi.zsc
index 3ac438a26..45f9378d5 100644
--- a/zscript/swwm_sparkyboi.zsc
+++ b/zscript/swwm_sparkyboi.zsc
@@ -260,7 +260,7 @@ Class BigBiospark : Actor
 			}
 			if ( SWWMUtility.SphereIntersect(t,pos,120) )
 			{
-				Vector3 dirto = level.Vec3Diff(pos,tracer.Vec3Offset(0,0,tracer.height/2));
+				Vector3 dirto = level.Vec3Diff(pos,t.Vec3Offset(0,0,t.height/2));
 				double dist = dirto.length();
 				dirto /= dist;
 				if ( dist > 4. ) SWWMHandler.DoKnockback(t,-dirto,clamp(120.-dist,0.,120.)*100);