diff --git a/OpenAL32/alBuffer.cpp b/OpenAL32/alBuffer.cpp
index 74f108e5..dc07e147 100644
--- a/OpenAL32/alBuffer.cpp
+++ b/OpenAL32/alBuffer.cpp
@@ -970,7 +970,7 @@ static ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
         UserFmtChannels channels;
         UserFmtType type;
     };
-    static const std::array<FormatMap,46> list{{
+    static constexpr std::array<FormatMap,46> list{{
         { AL_FORMAT_MONO8,             UserFmtMono, UserFmtUByte   },
         { AL_FORMAT_MONO16,            UserFmtMono, UserFmtShort   },
         { AL_FORMAT_MONO_FLOAT32,      UserFmtMono, UserFmtFloat   },