diff --git a/ozi.cc b/ozi.cc
index 0e9bcdd47..1c156e3e6 100644
--- a/ozi.cc
+++ b/ozi.cc
@@ -389,16 +389,16 @@ OziFormat::wr_init(const QString& fname)
 
     mkshort_handle->set_length(xstrtoi(snlenopt, nullptr, 10));
 
-    if (snwhiteopt) {
-      mkshort_handle->set_whitespace_ok(xstrtoi(snwhiteopt, nullptr, 10));
+    if (snwhiteopt.has_value()) {
+      mkshort_handle->set_whitespace_ok(snwhiteopt);
     }
 
-    if (snupperopt) {
-      mkshort_handle->set_mustupper(xstrtoi(snupperopt, nullptr, 10));
+    if (snupperopt.has_value()) {
+      mkshort_handle->set_mustupper(snupperopt);
     }
 
-    if (snuniqueopt) {
-      mkshort_handle->set_mustuniq(xstrtoi(snuniqueopt, nullptr, 10));
+    if (snuniqueopt.has_value()) {
+      mkshort_handle->set_mustuniq(snuniqueopt);
     }
 
     mkshort_handle->set_badchars("\",");
diff --git a/ozi.h b/ozi.h
index c33392866..c83dffe5f 100644
--- a/ozi.h
+++ b/ozi.h
@@ -125,12 +125,12 @@ class OziFormat : public Format
   int new_track{};
 
   OptionCString snlenopt;
-  OptionCString snwhiteopt;
-  OptionCString snupperopt;
-  OptionCString snuniqueopt;
+  OptionBool snwhiteopt;
+  OptionBool snupperopt;
+  OptionBool snuniqueopt;
   OptionCString wptfgcolor;
   OptionCString wptbgcolor;
-  OptionCString pack_opt;
+  OptionBool pack_opt;
   int datum{};
   OptionCString proximityarg;
   double proximity{};
diff --git a/xcsv.cc b/xcsv.cc
index a1a92095f..74f94c65e 100644
--- a/xcsv.cc
+++ b/xcsv.cc
@@ -1965,16 +1965,16 @@ XcsvFormat::wr_init(const QString& fname)
       xcsv_file->mkshort_handle.set_length(xstrtoi(snlenopt, nullptr, 10));
     }
 
-    if (snwhiteopt) {
-      xcsv_file->mkshort_handle.set_whitespace_ok(xstrtoi(snwhiteopt, nullptr, 10));
+    if (snwhiteopt.has_value()) {
+      xcsv_file->mkshort_handle.set_whitespace_ok(snwhiteopt);
     }
 
-    if (snupperopt) {
-      xcsv_file->mkshort_handle.set_mustupper(xstrtoi(snupperopt, nullptr, 10));
+    if (snupperopt.has_value()) {
+      xcsv_file->mkshort_handle.set_mustupper(snupperopt);
     }
 
-    if (snuniqueopt) {
-      xcsv_file->mkshort_handle.set_mustuniq(xstrtoi(snuniqueopt, nullptr, 10));
+    if (snuniqueopt.has_value()) {
+      xcsv_file->mkshort_handle.set_mustuniq(snuniqueopt);
     }
 
     xcsv_file->mkshort_handle.set_badchars(CSTR(xcsv_style->badchars));
diff --git a/xcsv.h b/xcsv.h
index 43b8482fa..2cf92ac82 100644
--- a/xcsv.h
+++ b/xcsv.h
@@ -372,10 +372,10 @@ class XcsvFormat : public Format
 
   OptionCString styleopt;
   OptionCString snlenopt;
-  OptionCString snwhiteopt;
-  OptionCString snupperopt;
-  OptionCString snuniqueopt;
-  OptionCString prefer_shortnames;
+  OptionBool snwhiteopt;
+  OptionBool snupperopt;
+  OptionBool snuniqueopt;
+  OptionBool prefer_shortnames;
   OptionCString xcsv_urlbase;
   OptionCString opt_datum;
   OptionCString opt_utc;