diff -ur a/check/chk_fhan4 b/check/chk_fhan4
--- a/check/chk_fhan4	2018-03-13 19:27:11.000000000 +0100
+++ b/check/chk_fhan4	2023-05-20 16:31:30.349063063 +0200
@@ -1,4 +1,5 @@
 #! /bin/sh
 unset LANG
+export PARI_SIZE=2048000
 ../src/icas TP04-sol.cas > TP04.tst
 diff TP04.tst TP04-sol.cas.out1
diff -ur a/check/chk_fhan6 b/check/chk_fhan6
--- a/check/chk_fhan6	2018-03-13 19:27:21.000000000 +0100
+++ b/check/chk_fhan6	2023-05-20 16:32:04.199407065 +0200
@@ -1,4 +1,5 @@
 #! /bin/sh
 unset LANG
+export PARI_SIZE=2048000
 ../src/icas TP06-sol.cas > TP06.tst
 diff TP06.tst TP06-sol.cas.out1