diff --git a/Source/appfat.cpp b/Source/appfat.cpp
index 231152285..d9c2b5bf7 100644
--- a/Source/appfat.cpp
+++ b/Source/appfat.cpp
@@ -115,7 +115,7 @@ void InsertCDDlg(const char *fileName)
 	    "Make sure that it is in the game folder and that the file name is in all lowercase.",
 	    fileName);
 
-	UiErrorOkDialog("Date File Error", text);
+	UiErrorOkDialog("Data File Error", text);
 	app_fatal(NULL);
 }