diff --git a/src/Mod/PartDesign/App/FeatureChamfer.cpp b/src/Mod/PartDesign/App/FeatureChamfer.cpp
index 7980872c15..f594649e5f 100644
--- a/src/Mod/PartDesign/App/FeatureChamfer.cpp
+++ b/src/Mod/PartDesign/App/FeatureChamfer.cpp
@@ -53,8 +53,8 @@ using namespace PartDesign;
 PROPERTY_SOURCE(PartDesign::Chamfer, PartDesign::DressUp)
 
 const char* ChamferTypeEnums[] = {"Equal distance", "Two distances", "Distance and Angle", NULL};
-const App::PropertyQuantityConstraint::Constraints floatSize = {0.0,FLT_MAX,0.1};
-const App::PropertyAngle::Constraints floatAngle = {0.0,180.0,1.0};
+const App::PropertyQuantityConstraint::Constraints Chamfer::floatSize = {0.0, FLT_MAX, 0.1};
+const App::PropertyAngle::Constraints Chamfer::floatAngle = {0.0, 180.0, 1.0};
 
 static App::DocumentObjectExecReturn *validateParameters(int chamferType, double size, double size2, double angle);
 
diff --git a/src/Mod/PartDesign/App/FeatureChamfer.h b/src/Mod/PartDesign/App/FeatureChamfer.h
index 6a5ec442d9..e36e708d1d 100644
--- a/src/Mod/PartDesign/App/FeatureChamfer.h
+++ b/src/Mod/PartDesign/App/FeatureChamfer.h
@@ -62,6 +62,8 @@ public:
 
 protected:
     void Restore(Base::XMLReader &reader) override;
+    static const App::PropertyQuantityConstraint::Constraints floatSize;
+    static const App::PropertyAngle::Constraints floatAngle;
 };
 
 } //namespace Part
diff --git a/src/Mod/PartDesign/App/FeaturePolarPattern.cpp b/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
index e0b387d91a..0dfab84734 100644
--- a/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
+++ b/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
@@ -48,8 +48,8 @@ namespace PartDesign {
 
 PROPERTY_SOURCE(PartDesign::PolarPattern, PartDesign::Transformed)
 
-const App::PropertyIntegerConstraint::Constraints intOccurrences = { 1, INT_MAX, 1 };
-const App::PropertyAngle::Constraints floatAngle = { Base::toDegrees<double>(Precision::Angular()), 360.0, 1.0 };
+const App::PropertyIntegerConstraint::Constraints PolarPattern::intOccurrences = { 1, INT_MAX, 1 };
+const App::PropertyAngle::Constraints PolarPattern::floatAngle = { Base::toDegrees<double>(Precision::Angular()), 360.0, 1.0 };
 
 PolarPattern::PolarPattern()
 {
diff --git a/src/Mod/PartDesign/App/FeaturePolarPattern.h b/src/Mod/PartDesign/App/FeaturePolarPattern.h
index 8d0d5ebab3..0ade352ee0 100644
--- a/src/Mod/PartDesign/App/FeaturePolarPattern.h
+++ b/src/Mod/PartDesign/App/FeaturePolarPattern.h
@@ -68,6 +68,8 @@ public:
 
 protected:
     virtual void handleChangedPropertyType(Base::XMLReader& reader, const char* TypeName, App::Property* prop);
+    static const App::PropertyIntegerConstraint::Constraints intOccurrences;
+    static const App::PropertyAngle::Constraints floatAngle;
 };
 
 } //namespace PartDesign