diff --git a/scripts/geodata/polygons/index.py b/scripts/geodata/polygons/index.py
index 89fac217..3129fc8e 100644
--- a/scripts/geodata/polygons/index.py
+++ b/scripts/geodata/polygons/index.py
@@ -168,10 +168,18 @@ class PolygonIndex(object):
                 holes = [(lon + 360.0 if lon < 0 else lon, lat) for lon, lat in holes]
 
         poly = Polygon(coords, holes)
-        if cls.fix_invalid_polygons and not poly.is_valid and not poly.contains(poly.centroid):
-            poly_fix = cls.fix_polygon(poly)
-            if poly_fix is not None and poly_fix.bounds and len(poly_fix.bounds) == 4 and poly_fix.is_valid and (poly_fix.contains(poly.centroid) or poly_fix.contains(poly_fix.representative_point())):
-                poly = poly_fix
+        try:
+            invalid = cls.fix_invalid_polygons and not poly.is_valid and not poly.contains(poly.centroid)
+        except Exception:
+            invalid = True
+
+        if invalid:
+            try:
+                poly_fix = cls.fix_polygon(poly)
+                if poly_fix is not None and poly_fix.bounds and len(poly_fix.bounds) == 4 and poly_fix.is_valid and (poly_fix.contains(poly.centroid) or poly_fix.contains(poly_fix.representative_point())):
+                    poly = poly_fix
+            except Exception:
+                poly = None
 
         return poly