diff --git a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
index c2f4bd6e2..0288e5656 100755
--- a/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_FilterDlg.cxx
@@ -1824,9 +1824,9 @@ void SMESHGUI_FilterTable::onCriterionChanged (const int row, const int col, con
   case SMESH::FT_BelongToPlane:
   case SMESH::FT_BelongToCylinder:
   case SMESH::FT_BelongToGenSurface:
-  case SMESH::FT_LyingOnGeom: nbCompareSigns = 0; isThresholdEditable = true; break;
+  case SMESH::FT_LyingOnGeom: nbCompareSigns = 1; isThresholdEditable = true; break;
 
-  case SMESH::FT_RangeOfIds: nbCompareSigns = 0; isThresholdEditable = true; break;
+  case SMESH::FT_RangeOfIds: nbCompareSigns = 1; isThresholdEditable = true; break;
 
   case SMESH::FT_BadOrientedVolume:
   case SMESH::FT_BareBorderVolume: