diff --git a/code/ryzom/tools/leveldesign/world_editor/world_editor/main_frm.cpp b/code/ryzom/tools/leveldesign/world_editor/world_editor/main_frm.cpp
index 446fd2ebc..5971c648f 100644
--- a/code/ryzom/tools/leveldesign/world_editor/world_editor/main_frm.cpp
+++ b/code/ryzom/tools/leveldesign/world_editor/world_editor/main_frm.cpp
@@ -4291,7 +4291,7 @@ void CMainFrame::OnDropFiles(HDROP hDropInfo)
 			// Can be extended to support more file types
 			else
 			{
-				errorMessage("File not supported? %s", pFilename);
+				errorMessage("File not supported: %s", pFilename);
 			}
 		}
 	}