diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 9e4f745c..0f0b1772 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1004,7 +1004,7 @@ PogoScript:
   primary_extension: .pogo
 
 PostScript:
-  type: programming
+  type: markup
   primary_extension: .ps
   extensions:
   - .eps