diff --git a/sources/ewol/renderer/resources/ConfigFile.cpp b/sources/ewol/renderer/resources/ConfigFile.cpp
index 00248dad..0ce14333 100644
--- a/sources/ewol/renderer/resources/ConfigFile.cpp
+++ b/sources/ewol/renderer/resources/ConfigFile.cpp
@@ -61,7 +61,7 @@ void ewol::ConfigFile::Reload(void)
 	}
 	etk::UString fileExtention = file.FileGetExtention();
 	if (fileExtention != "conf") {
-		EWOL_ERROR("File does not have extention \".prog\" for program but : \"" << fileExtention << "\"");
+		EWOL_ERROR("File does not have extention \".conf\" for program but : \"" << fileExtention << "\"");
 		return;
 	}
 	if (false == file.FileOpenRead()) {