diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx
index ae3f08a..dd7df12 100644
--- a/vncviewer/OptionsDialog.cxx
+++ b/vncviewer/OptionsDialog.cxx
@@ -93,7 +93,7 @@
     case encodingHextile: setItemChecked(IDC_ENCODING_HEXTILE, true); break;
     case encodingRaw: setItemChecked(IDC_ENCODING_RAW, true); break;
     }
-    setItemChecked(IDC_ALLOW_COMPRESSLEVEL, dlg->options.customCompressLevel);
+    setItemChecked(IDC_CUSTOM_COMPRESSLEVEL, dlg->options.customCompressLevel);
     setItemInt(IDC_COMPRESSLEVEL, dlg->options.compressLevel);
     setItemChecked(IDC_ALLOW_JPEG, !dlg->options.noJpeg);
     setItemInt(IDC_QUALITYLEVEL, dlg->options.qualityLevel);
@@ -102,7 +102,7 @@
   virtual bool onOk() {
     dlg->options.autoSelect = isItemChecked(IDC_ENCODING_AUTO);
     dlg->options.fullColour = isItemChecked(IDC_FORMAT_FULLCOLOUR);
-    dlg->options.customCompressLevel = isItemChecked(IDC_ALLOW_COMPRESSLEVEL);
+    dlg->options.customCompressLevel = isItemChecked(IDC_CUSTOM_COMPRESSLEVEL);
     dlg->options.compressLevel = getItemInt(IDC_COMPRESSLEVEL);
     dlg->options.noJpeg = !isItemChecked(IDC_ALLOW_JPEG);
     dlg->options.qualityLevel = getItemInt(IDC_QUALITYLEVEL);