diff --git a/library/md5.c b/library/md5.c
index 147e94b..1e702b4 100644
--- a/library/md5.c
+++ b/library/md5.c
@@ -422,8 +422,7 @@
     { "message digest" },
     { "abcdefghijklmnopqrstuvwxyz" },
     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
-    { ("12345678901234567890123456789012345678901234567890123456789012"
-      "345678901234567890") }
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
 };
 
 static const size_t md5_test_buflen[7] =