diff --git a/examples/dfitemdump.cpp b/examples/dfitemdump.cpp
index da4656a47..27190bc5a 100644
--- a/examples/dfitemdump.cpp
+++ b/examples/dfitemdump.cpp
@@ -36,7 +36,12 @@ std::string getMatDesc(int32_t typeB, int32_t typeC, int32_t typeD)
 					if(typeC>=Materials->other.size())
 						return "stuff";
 					else
-						return Materials->other[typeC].rawname;
+					{
+						if(typeD==-1)
+							return std::string(Materials->other[typeC].rawname);
+						else
+							return std::string(Materials->other[typeC].rawname) + " derivate";
+					}
 				}
 			else
 				return Materials->inorganic[typeD].id;