diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 02cab62..fe26d92 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -574,7 +574,6 @@
     opl: ['file.OPL', 'file.OPl', 'file.OpL', 'file.Opl', 'file.oPL', 'file.oPl', 'file.opL', 'file.opl'],
     ora: ['file.ora'],
     org: ['file.org', 'file.org_archive'],
-    pacmanlog: ['pacman.log'],
     pamconf: ['/etc/pam.conf', '/etc/pam.d/file', 'any/etc/pam.conf', 'any/etc/pam.d/file'],
     pamenv: ['/etc/security/pam_env.conf', '/home/user/.pam_environment', '.pam_environment', 'pam_env.conf'],
     pandoc: ['file.pandoc', 'file.pdk', 'file.pd', 'file.pdc'],
@@ -2877,4 +2876,16 @@
   filetype off
 endfunc
 
+" Filetypes detected from names of existing files
+func Test_pacmanlog()
+  filetype on
+  for fname in ['pacman.log', 'pacman.log.1', 'pacman.log-20250123']
+    call writefile(["[2025-01-23T01:23:45+0000] [PACMAN] Running 'pacman -S -y --config /etc/pacman.conf --'"], fname, 'D')
+    exe 'split ' .. fname
+    call assert_equal('pacmanlog', &filetype, 'for text: ' .. string(fname))
+    bwipe!
+  endfor
+  filetype off
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 8129418..2da4952 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1212,
+/**/
     1211,
 /**/
     1210,