diff --git a/taglib/riff/rifffile.cpp b/taglib/riff/rifffile.cpp
index e0ec3304..9e08c19c 100644
--- a/taglib/riff/rifffile.cpp
+++ b/taglib/riff/rifffile.cpp
@@ -49,7 +49,7 @@ public:
   {
   }
 
-  const Endianness endianness;
+  Endianness endianness;
 
   unsigned int size { 0 };
   offset_t sizeOffset { 0 };