--- src/mad_dict.c	2017-03-29 13:55:41.817866790 +0200
+++ src/mad_dict.c	2017-03-29 13:56:31.942043640 +0200
@@ -40,7 +40,7 @@
 "const emass = 0.510998928e-3; "
 "const mumass = 0.1056583715; "
 "const nmass = 0.931494061; "
-"const pmass = 0.938272046; "
+"const pmass = 0.9382720813; "
 "const clight = 299792458.; "
 "const qelect = 1.602176565e-19; "
 "const hbar = 6.58211928e-25; " // GeV.s