1 files changed, 1 insertions, 1 deletions
diff --git a/zen/zlib_wrap.h b/zen/zlib_wrap.h
index 3db609da..41d7428a 100644
--- a/zen/zlib_wrap.h
+++ b/zen/zlib_wrap.h
@@ -113,7 +113,7 @@ BinContainer decompress(const BinContainer& stream) //throw SysError
                                                           &*contOut.begin(),
                                                           static_cast<size_t>(uncompressedSize)); //throw SysError
         if (bytesWritten != static_cast<size_t>(uncompressedSize))
-            throw SysError(L"zlib error: bytes written != uncompressed size");
+            throw SysError(formatSystemError("zlib_decompress", L"", L"bytes written != uncompressed size."));
     }
     return contOut;
 }