diff --git a/DDSegmentation/src/ProjectiveCylinder.cpp b/DDSegmentation/src/ProjectiveCylinder.cpp
index cadbfbe96f8d3f42a1dc79d89830508a870f3b73..686bc588b94beb9705bfea702f198d2163af3b32 100644
--- a/DDSegmentation/src/ProjectiveCylinder.cpp
+++ b/DDSegmentation/src/ProjectiveCylinder.cpp
@@ -65,7 +65,7 @@ std::vector<double> ProjectiveCylinder::getPosition(const long64& cellID) const
 }
 
 /// determine the cell ID based on the position
-virtual long64 ProjectiveCylinder::getCellID(double x, double y, double z) const {
+long64 ProjectiveCylinder::getCellID(double x, double y, double z) const {
 	// TODO
 	return 0;
 }