diff --git a/src/lib/tvgLzw.cpp b/src/lib/tvgLzw.cpp
index adbcb3fc..0049c899 100644
--- a/src/lib/tvgLzw.cpp
+++ b/src/lib/tvgLzw.cpp
@@ -65,6 +65,7 @@
 #include <memory.h>
 #include "tvgLzw.h"
 
+namespace {
 //LZW Dictionary helper:
 constexpr int Nil = -1;
 constexpr int MaxDictBits = 12;
@@ -333,7 +334,7 @@ static bool outputSequence(const Dictionary& dict, int code, uint8_t*& output, i
     }
     return true;
 }
-
+}
 
 
 /************************************************************************/
@@ -424,4 +425,4 @@ uint8_t* lzwEncode(const uint8_t* uncompressed, uint32_t uncompressedSizeBytes,
 
 }
 
-#endif
\ No newline at end of file
+#endif