diff --git a/magic/Magdir/lisp b/magic/Magdir/lisp
index d32cc101..033cbe4e 100644
--- a/magic/Magdir/lisp
+++ b/magic/Magdir/lisp
@@ -60,6 +60,9 @@
 !:apple	EMAxTEXT
 !:ext elc
 
+# Files produced by GNU/Emacs pdumper
+0	string	DUMPEDGNUEMACS	GNU/Emacs pdumper image
+
 # Files produced by CLISP Common Lisp From: Bruno Haible <haible@ilog.fr>
 0	string	(SYSTEM::VERSION\040'	CLISP byte-compiled Lisp program (pre 2004-03-27)
 0	string	(|SYSTEM|::|VERSION|\040'	CLISP byte-compiled Lisp program text