diff --git a/libc/tools/zoneinfo/ZoneCompactor.java b/libc/tools/zoneinfo/ZoneCompactor.java
index 8a1a62854..f47afd13e 100644
--- a/libc/tools/zoneinfo/ZoneCompactor.java
+++ b/libc/tools/zoneinfo/ZoneCompactor.java
@@ -198,6 +198,8 @@ public class ZoneCompactor {
     // Write the data.
     f.write(allData.toByteArray());
 
+    int zonetab_offset = (int) f.getFilePointer();
+
     // Copy the zone.tab.
     reader = new BufferedReader(new FileReader(zoneTabFile));
     while ((s = reader.readLine()) != null) {
@@ -208,8 +210,6 @@ public class ZoneCompactor {
     }
     reader.close();
 
-    int zonetab_offset = (int) f.getFilePointer();
-
     // Go back and fix up the offsets in the header.
     f.seek(index_offset_offset);
     f.writeInt(index_offset);
diff --git a/libc/zoneinfo/tzdata b/libc/zoneinfo/tzdata
index 91cf3a6b6..4cd14508e 100644
Binary files a/libc/zoneinfo/tzdata and b/libc/zoneinfo/tzdata differ