diff --git a/polymer/eduke32/source/music.c b/polymer/eduke32/source/music.c
index 0a4513ca3..8cf5e85cf 100644
--- a/polymer/eduke32/source/music.c
+++ b/polymer/eduke32/source/music.c
@@ -75,7 +75,7 @@ const char *MUSIC_ErrorString
 )
 
 {
-    char *ErrorString;
+    const char *ErrorString;
 
     switch (ErrorNumber)
     {