diff --git a/Common/DefaultOptions.h b/Common/DefaultOptions.h
index 94b265692e232ba868b75230c62750d340cfff1c..f2f29a2e30a70ef345f50300d8783ab660301a0d 100644
--- a/Common/DefaultOptions.h
+++ b/Common/DefaultOptions.h
@@ -1528,7 +1528,7 @@ StringXNumber PrintOptions_Number[] = {
     "First value of print parameter in loop" },
   { F|O, "ParameterLast" , opt_print_parameter_last , 1. ,
     "Last value of print parameter in loop" },
-  { F|O, "ParameterSteps" , opt_print_parameter_steps , 24 ,
+  { F|O, "ParameterSteps" , opt_print_parameter_steps , 10. ,
     "Number of steps in loop over print parameter" },
 
   { F|O, "Background" , opt_print_background , 0. ,
diff --git a/Fltk/fileDialogs.cpp b/Fltk/fileDialogs.cpp
index b27ac93f4139cc18ee54ea687a144fbcf65a33d7..662014b0b0ecba9aa1ae8e410fed49699144cb84 100644
--- a/Fltk/fileDialogs.cpp
+++ b/Fltk/fileDialogs.cpp
@@ -420,9 +420,9 @@ int mpegFileDialog(const char *name)
 
     dialog->v[0] = new Fl_Value_Input
       (WB, y, ww2, BH, "Frame duration (in seconds)"); y += BH;
-    dialog->v[0]->minimum(1. / 24.);
+    dialog->v[0]->minimum(1. / 30.);
     dialog->v[0]->maximum(2.);
-    dialog->v[0]->step(1. / 24.);
+    dialog->v[0]->step(1. / 30.);
     dialog->v[0]->precision(3);
     dialog->v[0]->align(FL_ALIGN_RIGHT);