diff --git a/src/msspec/phagen/fortran/phagen_2.2_dp/msxas3.inc b/src/msspec/phagen/fortran/phagen_2.2_dp/msxas3.inc
index e4ace1e..2151d02 100644
--- a/src/msspec/phagen/fortran/phagen_2.2_dp/msxas3.inc
+++ b/src/msspec/phagen/fortran/phagen_2.2_dp/msxas3.inc
@@ -1,7 +1,7 @@
 c..   dimensions for the program
       integer     ua_
-      parameter ( nat_     =       1500,
-     $            ua_      =       1500,
+      parameter ( nat_     =       4000,
+     $            ua_      =       4000,
      $            neq_     =        48  )
 C
 C   where :