diff --git a/src/PartOfPacket.cpp b/src/PartOfPacket.cpp
index 5f1f6d8889581f576c6cdaa92f0d639d05e7fcff..533e15d9974d093d19aa4ef7e6b6424995e1af5f 100644
--- a/src/PartOfPacket.cpp
+++ b/src/PartOfPacket.cpp
@@ -729,7 +729,8 @@ word PartOfPacket::getFieldIndex(string fieldname) {
 		if(fieldname == fname)
 			return i;
 	}
-	throw new PacketException("getFieldIndex(fieldname) error: no field found in this section");
+	string errorStr = "getFieldIndex("+fieldname+") error: no field found in section '"+popName+"'";
+	throw new PacketException(errorStr.c_str());
 	return index;
 }