diff --git a/Runtime/MessageGeneration/MessageParser.cs b/Runtime/MessageGeneration/MessageParser.cs
index 4219d84b..bdf80cee 100644
--- a/Runtime/MessageGeneration/MessageParser.cs
+++ b/Runtime/MessageGeneration/MessageParser.cs
@@ -72,7 +72,9 @@ public MessageParser(List<MessageToken> tokens, string outPath, string rosPackag
 
             if (rosMsgName.Equals(""))
             {
-                this.rosMsgName = MsgAutoGenUtilities.CapitalizeFirstLetter(inFileName);
+                if (Char.IsLower(inFileName[0]))
+                    Debug.LogWarningFormat("File {0} starts with a lowercase character. Message file names should be CamelCased (see : http://wiki.ros.org/ROS/Patterns/Conventions#line-38)", inFileName);
+                this.rosMsgName = inFileName;
             }
             else
             {