diff --git a/library/ripemd160.c b/library/ripemd160.c
index f0e04a8..73da510 100644
--- a/library/ripemd160.c
+++ b/library/ripemd160.c
@@ -630,6 +630,6 @@
     return( 0 );
 }
 
-#endif
+#endif /* POLARSSL_SELF_TEST */
 
-#endif
+#endif /* POLARSSL_RIPEMD160_C */