diff --git a/src/blackmisc/avatcstation.h b/src/blackmisc/avatcstation.h
index 4663786df..87e63f70e 100644
--- a/src/blackmisc/avatcstation.h
+++ b/src/blackmisc/avatcstation.h
@@ -171,8 +171,8 @@ namespace BlackMisc
             //! Set distance to own plane
             void setDistanceToPlane(const BlackMisc::PhysicalQuantities::CLength &distance) { this->m_distanceToPlane = distance; }
 
-            //! \brief Valid distance?
-            bool hasValidDistance() const { return !this->m_distanceToPlane.isNegativeWithEpsilonConsidered();}
+            //! Valid distance?
+            bool hasValidDistance() const { return !this->m_distanceToPlane.isNull();}
 
             /*!
              * \brief Calculcate distance to plane, set it, and also return it