diff -ru src/include/Lcommandline.h b/include/Lcommandline.h
--- src/include/Lcommandline.h	2012-08-08 23:21:55.000000000 +0200
+++ b/include/Lcommandline.h	2014-01-06 14:04:55.981027532 +0100
@@ -40,12 +40,7 @@
 #include "Lcommandline_globals.h"      //command line global variables
 #ifdef INCLUDE_PARI
 #include "pari.h"          //for pari's elliptic curve functions
-#undef init                //pari has a '#define init pari_init' which
-                           //causes trouble with the stream.h init.
-                           //pari also causes trouble with things like abs.
-                           //we place the pari include first since otherwise it
-                           //messes up.
-
+#include "paripriv.h"      //for pari_init_stack()
 #endif //ifdef INCLUDE_PARI
 
 
diff -ru src/src/Lcommandline.cc b/src/Lcommandline.cc
--- src/src/Lcommandline.cc	2012-08-08 23:21:56.000000000 +0200
+++ b/src/Lcommandline.cc	2014-01-06 14:02:19.463388366 +0100
@@ -473,7 +473,9 @@
 
 #ifdef INCLUDE_PARI
         if(do_elliptic_curve){
-             allocatemoremem((int) N_terms*16+1000000); //XXXXXXXXX this should depend on whether we're double or long double or mpfr double
+             // Reallocate PARI stack
+             pari_init_stack((size_t)N_terms*16 + 1000000, top-bot); //XXXXXXXXX this should depend on whether we're double or long double or mpfr double
+
              if (my_verbose>0) cout << "Will precompute " << N_terms << " elliptic L-function dirichlet coefficients..." << endl;
              initialize_new_L(a1,a2,a3,a4,a6,N_terms); 
         }