diff --git a/addons/tagging/functions/fnc_tag.sqf b/addons/tagging/functions/fnc_tag.sqf
index 6b55730a94..165441f80e 100644
--- a/addons/tagging/functions/fnc_tag.sqf
+++ b/addons/tagging/functions/fnc_tag.sqf
@@ -72,8 +72,8 @@ if (_surfaceNormal vectorDotProduct  (_endPosASL vectorDiff _startPosASL) > 0) t
 // Check if its a valid surface: big enough, reasonably plane
 private _v1 = vectorNormalized (_surfaceNormal vectorMultiply -1);
 private _v2 = vectorNormalized (_v1 vectorCrossProduct (_endPosASL vectorDiff _startPosASL));
-// If the surface is not horizontal (>25º), create vup _v2 pointing upward instead of away
-if (_v1 select 2 > -0.42) then {
+// If the surface is not horizontal (>20º), create vup _v2 pointing upward instead of away
+if (abs (_v1 select 2) < 0.94) then {
     private _v3Temp = _v1 vectorCrossProduct [0, 0, 1];
     _v2 = _v3Temp vectorCrossProduct _v1;
 };