diff --git a/src/c3nav/mapdata/render/engines/base3d.py b/src/c3nav/mapdata/render/engines/base3d.py
index e7293c09..f4056735 100644
--- a/src/c3nav/mapdata/render/engines/base3d.py
+++ b/src/c3nav/mapdata/render/engines/base3d.py
@@ -17,7 +17,7 @@ class Base3DEngine(RenderEngine):
         self.vertices = []
 
         self.np_scale = np.array((self.scale, self.scale, self.scale))
-        self.np_offset = np.array((-self.minx * self.scale, -self.maxy * self.scale, 0))
+        self.np_offset = np.array((-self.minx * self.scale, -self.miny * self.scale, 0))
 
     def _add_geometry(self, geometry, fill: Optional[FillAttribs], stroke: Optional[StrokeAttribs], **kwargs):
         if fill is not None: