diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index a75a12fe..1b31c0bb 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3822,8 +3822,13 @@ wisp:
 xBase:
   type: programming
   color: "#403a40"
+  aliases:
+  - advpl
+  - clipper
+  - foxpro
   extensions:
   - .prg
+  - .prw
   - .ch
   tm_scope: source.harbour
   ace_mode: text