1 files changed, 3 insertions, 3 deletions
diff --git a/src/live_effects/parameter/powerstrokepointarray.cpp b/src/live_effects/parameter/powerstrokepointarray.cpp
index 93161ec0d..fecdfeda8 100644
--- a/src/live_effects/parameter/powerstrokepointarray.cpp
+++ b/src/live_effects/parameter/powerstrokepointarray.cpp
@@ -124,11 +124,11 @@ public:
     virtual ~PowerStrokePointArrayParamKnotHolderEntity() {}
 
     virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state);
-    virtual Geom::Point knot_get();
+    virtual Geom::Point knot_get() const;
     virtual void knot_click(guint state);
 
     /** Checks whether the index falls within the size of the parameter's vector */
-    bool valid_index(unsigned int index) {
+    bool valid_index(unsigned int index) const {
         return (_pparam->_vector.size() > index);
     };
 
@@ -164,7 +164,7 @@ PowerStrokePointArrayParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom:
 }
 
 Geom::Point
-PowerStrokePointArrayParamKnotHolderEntity::knot_get()
+PowerStrokePointArrayParamKnotHolderEntity::knot_get() const
 {
     using namespace Geom;