diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index ee04c7d..1860d20 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2544,7 +2544,7 @@ function! fugitive#PagerFor(argv, ...) abort
     return 0
   elseif type(value) == type('')
     return value
-  elseif args[0] =~# 'diff\%(tool\)\@!\|log\|^show$\|^config$\|^branch$\|^tag$' ||
+  elseif args[0] =~# 'diff\%(tool\)\@!\|log\|^show$\|^config$\|^branch$\|^tag$\|^whatchanged$' ||
         \ (args[0] ==# 'stash' && get(args, 1, '') ==# 'show') ||
         \ (args[0] ==# 'am' && s:HasOpt(args, '--show-current-patch'))
     return 1