diff --git a/matlab/TCV_IMAS/tcv2ids.m b/matlab/TCV_IMAS/tcv2ids.m
index 1cc251db60233ab8ab9fbe5073163b1d93e268e6..7c0a293f37307972e06561c632aa923f1d5f40f8 100644
--- a/matlab/TCV_IMAS/tcv2ids.m
+++ b/matlab/TCV_IMAS/tcv2ids.m
@@ -36,7 +36,7 @@ try
         cocos_out_default=11;
     end
 catch
-    warning('IMAS_VERSION undefined, assuming cocos_out=17');
+    disp('IMAS_VERSION undefined, assuming cocos_out=17');
 end
 
 % initialize input parser