diff --git a/source/texk/web2c/luatexdir/luafontloader/src/luafflib.c b/source/texk/web2c/luatexdir/luafontloader/src/luafflib.c
index 434413b0054cbd52f5444aa6881c098ed80f22f5..41e5c3a3294ce507038ad5c53c3e2d81a86b32c8 100644
--- a/source/texk/web2c/luatexdir/luafontloader/src/luafflib.c
+++ b/source/texk/web2c/luatexdir/luafontloader/src/luafflib.c
@@ -1236,7 +1236,6 @@ static void handle_pfminfo(lua_State * L, struct pfminfo pfm)
     dump_intfield(L, "vlinegap", pfm.vlinegap);
     dump_intfield(L, "hhead_ascent", pfm.hhead_ascent);
     dump_intfield(L, "hhead_descent", pfm.hhead_descent);
-    dump_intfield(L, "hhead_descent", pfm.hhead_descent);
     dump_intfield(L, "os2_typoascent", pfm.os2_typoascent);
     dump_intfield(L, "os2_typodescent", pfm.os2_typodescent);
     dump_intfield(L, "os2_typolinegap", pfm.os2_typolinegap);
diff --git a/source/texk/web2c/luatexdir/luatex_svnversion.h b/source/texk/web2c/luatexdir/luatex_svnversion.h
index 01365ad681a0556771b0ae12d31787677a66478b..8931964c0aadcf3926491426a366370f9636c596 100644
--- a/source/texk/web2c/luatexdir/luatex_svnversion.h
+++ b/source/texk/web2c/luatexdir/luatex_svnversion.h
@@ -1,4 +1,4 @@
 #ifndef luatex_svn_revision_h
 #define luatex_svn_revision_h
-#define luatex_svn_revision 7570
+#define luatex_svn_revision 7571
 #endif