diff --git a/code/mpie_cpfem_abaqus_exp.f b/code/mpie_cpfem_abaqus_exp.f
index 2b3d757e0..4c60f315b 100644
--- a/code/mpie_cpfem_abaqus_exp.f
+++ b/code/mpie_cpfem_abaqus_exp.f
@@ -9,8 +9,8 @@
 ! MPI fuer Eisenforschung, Duesseldorf
 ! PSI, Switzerland
 !
-! REMARK: change compile command to include the switch
-!         "-free" in "abaqus_v6.env"
+! REMARK: change compile command to include
+!         "-free -heap-arrays 500000000" in "abaqus_v6.env"
 !
 !********************************************************************
 
diff --git a/code/mpie_cpfem_abaqus_std.f b/code/mpie_cpfem_abaqus_std.f
index 38a0f7a1f..abd4f21c2 100644
--- a/code/mpie_cpfem_abaqus_std.f
+++ b/code/mpie_cpfem_abaqus_std.f
@@ -9,8 +9,8 @@
 ! MPI fuer Eisenforschung, Duesseldorf
 ! PSI, Switzerland
 !
-! REMARK: change compile command to include the switch
-!         "-free" in "abaqus_v6.env"
+! REMARK: change compile command to include
+!         "-free -heap-arrays 500000000" in "abaqus_v6.env"
 !
 !********************************************************************