diff --git a/language.version b/language.version
index ef6604461..77410434c 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r669 \cu(Tue  6 Dec 19:46:11 CET 2022)\c-";
-SWWM_SHORTVER="\cw1.3pre r669 \cu(2022-12-06 19:46:11)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r670 \cu(Tue  6 Dec 21:27:50 CET 2022)\c-";
+SWWM_SHORTVER="\cw1.3pre r670 \cu(2022-12-06 21:27:50)\c-";
diff --git a/zscript/swwm_utility.zsc b/zscript/swwm_utility.zsc
index 209e953a1..f05ee54ba 100644
--- a/zscript/swwm_utility.zsc
+++ b/zscript/swwm_utility.zsc
@@ -1483,7 +1483,7 @@ Class SWWMUtility
 		dir *= level.pixelstretch;
 		double len = dir.length();
 		dir /= len;
-		double angle = atan2(dir.y,dir.z);
+		double angle = atan2(dir.y,dir.x);
 		double pitch = asin(-dir.z)+90;
 		double yscale = dist*len;
 		return angle, pitch, yscale;