diff --git a/src/osm/jp/postgis/CoverageAll.java b/src/osm/jp/postgis/CoverageAll.java
index cc028e6..e485db5 100644
--- a/src/osm/jp/postgis/CoverageAll.java
+++ b/src/osm/jp/postgis/CoverageAll.java
@@ -146,7 +146,7 @@
                 cover.par *= 100.0D;
             }
             else {
-                cover.par = 0.0D;
+                cover.par = 100.0D;
             }
             data.add(cover);
         }