diff --git a/lib/roken/hstrerror.c b/lib/roken/hstrerror.c
index d766441c3..47d9c5e42 100644
--- a/lib/roken/hstrerror.c
+++ b/lib/roken/hstrerror.c
@@ -29,7 +29,7 @@ char *
 hstrerror(int herr)
 {
   if (0 <= herr && herr < h_nerr)
-    return h_errlist[herr];
+    return (char *) h_errlist[herr];
   else
     return "Error number out of range (hstrerror)";
 }