diff --git a/include/inc-cfg/callgraph.hpp b/include/inc-cfg/callgraph.hpp
index 02dca2c8e88df452777da21cc1ab4c7cac5cc850..f1c00777e687000a1034e1ec2c8d39fc265e8d4d 100644
--- a/include/inc-cfg/callgraph.hpp
+++ b/include/inc-cfg/callgraph.hpp
@@ -31,6 +31,7 @@ namespace IRDB_SDK
 			Callgraph_t(const Callgraph_t& copy) = delete;
 		public:
 			virtual ~Callgraph_t() { }
+			
 			virtual void addFile() = 0;
 
 			virtual bool  edgeExists(const CallGraphEdge_t& edge) const = 0;