Fixed typo introduced in 486485b
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index 9ec6279..0fb5886 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -106,7 +106,7 @@
         return( ret );
 #endif
 
-#if defined(POLARSSL_SHAbkdf2512_C)
+#if defined(POLARSSL_SHA512_C)
     if( ( ret = sha512_self_test( v ) ) != 0 )
         return( ret );
 #endif