diff --git a/src/Mod/Sketcher/Gui/CommandConstraints.cpp b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
index bc444205e..8b1159116 100644
--- a/src/Mod/Sketcher/Gui/CommandConstraints.cpp
+++ b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
@@ -142,7 +142,7 @@ void openEditDatumDialog(Sketcher::SketchObject* sketch, int ConstrNbr)
                 double newDatum = newQuant.getValue();
                 if (Constr->Type == Sketcher::Angle ||
                     ((Constr->Type == Sketcher::DistanceX || Constr->Type == Sketcher::DistanceY) &&
-                     Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef)) {
+                     (Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef))) {
                     // Permit negative values to flip the sign of the constraint
                     if (newDatum >= 0) // keep the old sign
                         newDatum = ((datum >= 0) ? 1 : -1) * std::abs(newDatum);
diff --git a/src/Mod/Sketcher/Gui/EditDatumDialog.cpp b/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
index 6a64589d1..ae53f487f 100644
--- a/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
+++ b/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
@@ -147,7 +147,7 @@ void EditDatumDialog::exec(bool atCursor)
                 double newDatum = newQuant.getValue();
                 if (Constr->Type == Sketcher::Angle ||
                     ((Constr->Type == Sketcher::DistanceX || Constr->Type == Sketcher::DistanceY) &&
-                     Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef)) {
+                     (Constr->FirstPos == Sketcher::none || Constr->Second != Sketcher::Constraint::GeoUndef))) {
                     // Permit negative values to flip the sign of the constraint
                     if (newDatum >= 0) // keep the old sign
                         newDatum = ((datum >= 0) ? 1 : -1) * std::abs(newDatum);