diff --git a/src/c3nav/mapdata/utils/svg.py b/src/c3nav/mapdata/utils/svg.py
index 4f307f04..069317cd 100644
--- a/src/c3nav/mapdata/utils/svg.py
+++ b/src/c3nav/mapdata/utils/svg.py
@@ -139,7 +139,7 @@ class SVGImage:
 
     def _trim_decimals(self, data):
         # remove trailing zeros from a decimal
-        return re.sub(r'([0-9]+)\.0', r'\1', re.sub(r'([0-9]+\.[0-9])[0-9]+', r'\1', data))
+        return re.sub(r'([0-9]+)((\.[1-9])[0-9]+|\.[0-9]+)?', r'\1\3', data)
 
     def _create_geometry(self, geometry):
         # convert a shapely geometry into an svg xml element