diff --git a/ChangeLog b/ChangeLog
index c4023bafb1e059991482ad234fdf766b0068d82d..2d217656882a9d0a58de6035c46a23c2badd83ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-27  Benno Schulenberg  <bensberg@justemail.net>
+	* doc/syntax/patch.nanorc: Recognize also Debian package diffs.
+	Fixes https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1300565
+	requested by Rolf Leggewie.
+
 2015-03-25  Benno Schulenberg  <bensberg@justemail.net>
 	* doc/syntax/debian.nanorc: Slightly widen and relax the header regex.
 	* doc/syntax/python.nanorc: Hashes inside triple-quoted strings should
diff --git a/doc/syntax/patch.nanorc b/doc/syntax/patch.nanorc
index f5c1dd597c330d7da089b3f9d06d0b1f99312dfc..744408cdb8076cfbcefdd741cd24786e6c24e9d2 100644
--- a/doc/syntax/patch.nanorc
+++ b/doc/syntax/patch.nanorc
@@ -1,6 +1,6 @@
 ## Here is an example for patch files.
 
-syntax "patch" "\.(patch|diff)$"
+syntax "patch" "\.(patch|diff|debdiff)$"
 magic "diff output text"
 
 # Added lines.