diff --git a/epochX/cudacpp/gg_tt.mad/Cards/run_card.dat b/epochX/cudacpp/gg_tt.mad/Cards/run_card.dat
index ab15ea509f..74d0fb67db 100644
--- a/epochX/cudacpp/gg_tt.mad/Cards/run_card.dat
+++ b/epochX/cudacpp/gg_tt.mad/Cards/run_card.dat
@@ -143,6 +143,6 @@ systematics = systematics_program ! none, systematics [python], SysCalc [deprece
 #*********************************************************************
 # settings for the C++/GPU acceleration                              *
 #*********************************************************************
-1 = exec_mode             ! modes are fortran=0, cpp=1, cuda=2, both=-1, bothdebug=-2
-1 = bridge_mode           ! modes are fortran=0, cpp/cuda=1, both=-1, bothdebug=-2
-32 = vector_size          ! set the number of parallel executions
+#1 = exec_mode             ! modes are fortran=0, cpp=1, cuda=2, both=-1, bothdebug=-2
+#1 = bridge_mode           ! modes are fortran=0, cpp/cuda=1, both=-1, bothdebug=-2
+#32 = vector_size          ! set the number of parallel executions