diff --git a/desktop_version/src/Entity.cpp b/desktop_version/src/Entity.cpp
index f2b43123..82a1d34a 100644
--- a/desktop_version/src/Entity.cpp
+++ b/desktop_version/src/Entity.cpp
@@ -37,12 +37,6 @@ bool entityclass::checktowerspikes(int t, mapclass& map)
             }
         }
     }
-    if (temprect.w >= 12)
-    {
-        tpx1 = getgridpoint(temprect.x + 6);
-        if (map.collide(tpx1, tempy)) return true;
-        if (map.collide(tpx1, temph)) return true;
-    }
     return false;
 }
 
diff --git a/desktop_version/src/Map.cpp b/desktop_version/src/Map.cpp
index e21d5dc0..c63aeaa3 100644
--- a/desktop_version/src/Map.cpp
+++ b/desktop_version/src/Map.cpp
@@ -699,6 +699,10 @@ bool mapclass::collide(int x, int y)
 	if (towermode)
 	{
 		if (tower.at(x, y, 0) >= 12 && tower.at(x, y, 0) <= 27) return true;
+		if (invincibility)
+		{
+			if (tower.at(x, y, 0) >= 6 && tower.at(x, y, 0) <= 11) return true;
+		}
 	}
 	else if (tileset == 2)
 	{