diff --git a/library/ecdh.c b/library/ecdh.c
index 302531d..717a73f 100644
--- a/library/ecdh.c
+++ b/library/ecdh.c
@@ -258,7 +258,8 @@
  */
 int ecdh_self_test( int verbose )
 {
-    return( verbose++ );
+    ((void) verbose );
+    return( 0 );
 }
 
 #endif