diff --git a/ChangeLog b/ChangeLog
index 3980ef7b4..2708949d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-18  Colin Watson  <cjwatson@ubuntu.com>
+
+	* grub-core/fs/squash4.c: Add missing GRUB_MOD_LICENSE.
+
 2011-05-18  Colin Watson  <cjwatson@ubuntu.com>
 
 	* .bzrignore: Add grub-core/modinfo.sh and a number of test files.
diff --git a/grub-core/fs/squash4.c b/grub-core/fs/squash4.c
index 8e8388628..4f1265582 100644
--- a/grub-core/fs/squash4.c
+++ b/grub-core/fs/squash4.c
@@ -27,6 +27,8 @@
 #include <grub/fshelp.h>
 #include <grub/deflate.h>
 
+GRUB_MOD_LICENSE ("GPLv3+");
+
 /*
   object         format      Pointed by
   superblock     RAW         Fixed offset (0)