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Geo/MElementCut.h

@@ -383,7 +383,8 @@ class MLineBorder : public MLine {
   virtual int getTypeForMSH() const { return MSH_LIN_B; }
   virtual const polynomialBasis* getFunctionSpace(int order=-1) const
   {
-    return getParent()->getFunctionSpace(order);
+    if (this->getParent()) return getParent()->getFunctionSpace(order);
+    else return NULL;
   }
   virtual void getShapeFunctions(double u, double v, double w, double s[], int o)
   {