diff --git a/libsrc/csg/solid.cpp b/libsrc/csg/solid.cpp

index 52bd6321..a1e123d5 100644

--- a/libsrc/csg/solid.cpp

+++ b/libsrc/csg/solid.cpp

@@ -194,6 +194,7 @@ namespace netgen

       case ROOT:

 	return s1->PointInSolid (p, eps);

       }

+      return DOES_INTERSECT;

   }

@@ -213,6 +214,7 @@ namespace netgen

       case ROOT:

 	return s1->VecInSolid (p, v, eps);

       }

+      return DOES_INTERSECT;

   }

   // checks if lim s->0 lim t->0  p + t(v1 + s v2) in solid

@@ -233,6 +235,7 @@ namespace netgen

       case ROOT:

 	return s1->VecInSolid2 (p, v1, v2, eps);

       }

+      return DOES_INTERSECT;

   }