diff --git a/src/Base/Writer.cpp b/src/Base/Writer.cpp
index 9e71c8922d..b89c12e0ee 100644
--- a/src/Base/Writer.cpp
+++ b/src/Base/Writer.cpp
@@ -248,7 +248,7 @@ ZipWriter::ZipWriter(const char* FileName)
     //FIXME: Check whether this is correct
     ZipStream.imbue(std::locale::classic());
 #endif
-    ZipStream.precision(12);
+    ZipStream.precision(16);
     ZipStream.setf(ios::fixed,ios::floatfield);
 }
 
@@ -261,7 +261,7 @@ ZipWriter::ZipWriter(std::ostream& os)
     //FIXME: Check whether this is correct
     ZipStream.imbue(std::locale::classic());
 #endif
-    ZipStream.precision(12);
+    ZipStream.precision(16);
     ZipStream.setf(ios::fixed,ios::floatfield);
 }