diff --git a/models/test_suite/symmetries/sym_alg_wrong/output/sym1_emb.m.ref b/models/test_suite/symmetries/sym_alg_wrong/output/sym1_emb.m.ref
index bfe88e0767..24d39d0634 100644
--- a/models/test_suite/symmetries/sym_alg_wrong/output/sym1_emb.m.ref
+++ b/models/test_suite/symmetries/sym_alg_wrong/output/sym1_emb.m.ref
@@ -22,7 +22,7 @@ initialstep=1e-05;
 maxstep=0.02;
 reltol=0.001;
 abstol=0.001;
-period=1;
+period=0.01;
 
 nonnegative=false;
 global nodevar
diff --git a/models/test_suite/symmetries/sym_alg_wrong/output/sym1_occ.m.ref b/models/test_suite/symmetries/sym_alg_wrong/output/sym1_occ.m.ref
index e9b85de0af..11b53c83ff 100644
--- a/models/test_suite/symmetries/sym_alg_wrong/output/sym1_occ.m.ref
+++ b/models/test_suite/symmetries/sym_alg_wrong/output/sym1_occ.m.ref
@@ -22,7 +22,7 @@ initialstep=1e-05;
 maxstep=0.02;
 reltol=0.001;
 abstol=0.001;
-period=1;
+period=0.01;
 
 nonnegative=false;
 global nodevar
diff --git a/models/test_suite/symmetries/sym_iso/output/sym1_emb.m.ref b/models/test_suite/symmetries/sym_iso/output/sym1_emb.m.ref
index 0ff0c9c87a..7a74475f30 100644
--- a/models/test_suite/symmetries/sym_iso/output/sym1_emb.m.ref
+++ b/models/test_suite/symmetries/sym_iso/output/sym1_emb.m.ref
@@ -22,7 +22,7 @@ initialstep=1e-05;
 maxstep=0.02;
 reltol=0.001;
 abstol=0.001;
-period=1;
+period=0.01;
 
 nonnegative=false;
 global nodevar
diff --git a/models/test_suite/symmetries/sym_iso/output/sym1_occ.m.ref b/models/test_suite/symmetries/sym_iso/output/sym1_occ.m.ref
index 155aee95da..a9cf000c19 100644
--- a/models/test_suite/symmetries/sym_iso/output/sym1_occ.m.ref
+++ b/models/test_suite/symmetries/sym_iso/output/sym1_occ.m.ref
@@ -22,7 +22,7 @@ initialstep=1e-05;
 maxstep=0.02;
 reltol=0.001;
 abstol=0.001;
-period=1;
+period=0.01;
 
 nonnegative=false;
 global nodevar
diff --git a/util/run_cli_args.ml b/util/run_cli_args.ml
index d005ba1072..36c7189dd5 100644
--- a/util/run_cli_args.ml
+++ b/util/run_cli_args.ml
@@ -58,7 +58,7 @@ let default_gui =
     minValue_gui = ref (Some 0.);
     maxValue_gui = ref  (Some 1.);
     plotPeriod_gui = ref (Some 0.01);
-    rescale_gui = ref (Some 1.);
+    rescale_gui = ref (None);
     marshalizedInFile_gui = ref "";
     inputKappaFileNames_gui = ref [];
     (*  initialMix_gui = ref None;*)