diff --git a/newimage.cc b/newimage.cc
index 91612762d6fb048d5fe8eeaccd3eabf97c239322..8cafafa3d4f77c0c1aa80abffb6fd917eaabd7a5 100644
--- a/newimage.cc
+++ b/newimage.cc
@@ -2600,23 +2600,23 @@ vector<T> calculateExtrema(const volume<T>& inputVolume, vector<int64_t>& coordi
   // Attempts to change interp/extrap settings
   // on a ShadowVolume will result in an error
   template<typename T> void ShadowVolume<T>::setinterpolationmethod(interpolation interp)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method setinterpolationmethod", 101); }
   template<typename T> void ShadowVolume<T>::setextrapolationmethod(extrapolation extrapmethod) const
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method setextrapolationmethod", 101); }
   template<typename T> void ShadowVolume<T>::setextrapolationmethod(extrapolation extrapmethod)
-  { imthrow("Called private shadow method", 101);  }
+  { imthrow("Called private shadow method setextrapolationmethod", 101);  }
   template<typename T> void ShadowVolume<T>::setpadvalue(T value)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method setpadvalue", 101); }
   template<typename T> void ShadowVolume<T>::setextrapolationvalidity(bool xv, bool yv, bool zv)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method setextrapolationvalidity", 101); }
   template<typename T> void ShadowVolume<T>::definekernelinterpolation(const NEWMAT::ColumnVector& kx, const NEWMAT::ColumnVector& ky, const NEWMAT::ColumnVector& kz, int wx, int wy, int wz)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method definekernelinterpolation", 101); }
   template<typename T> void ShadowVolume<T>::definesincinterpolation(const std::string& sincwindowtype, int w, int nstore)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method definesincinterpolation", 101); }
   template<typename T> void ShadowVolume<T>::definesincinterpolation(const std::string& sincwindowtype, int wx, int wy, int wz, int nstore)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method definesincinterpolation", 101); }
   template<typename T> void ShadowVolume<T>::setsplineorder(int order)
-  { imthrow("Called private shadow method", 101); }
+  { imthrow("Called private shadow method setsplineorder", 101); }
 
   ///////////////////////////////////////////////////////////////////////
   ///////////////////////////////////////////////////////////////////////