diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index caeb6f3..0c62c34 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -1445,7 +1445,7 @@
         return( ret );
     }
 
-    if( ssl->handshake->dhm_ctx.len < 64  ||
+    if( ssl->handshake->dhm_ctx.len < SSL_MIN_DHM_BYTES ||
         ssl->handshake->dhm_ctx.len > 512 )
     {
         SSL_DEBUG_MSG( 1, ( "bad server key exchange message (DHM length)" ) );