diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 80350d6..f7e3f0f 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -2323,6 +2323,7 @@ function! s:Blame(bang,line1,line2,count,args) abort
         nnoremap <buffer> <silent> i    :<C-U>exe <SID>BlameCommit("exe 'norm q'<Bar>edit")<CR>
         nnoremap <buffer> <silent> o    :<C-U>exe <SID>BlameCommit((&splitbelow ? "botright" : "topleft")." split")<CR>
         nnoremap <buffer> <silent> O    :<C-U>exe <SID>BlameCommit("tabedit")<CR>
+        nnoremap <buffer> <silent> p    :<C-U>exe <SID>Edit((&splitbelow ? "botright" : "topleft").' pedit', 0, '', matchstr(getline('.'), '\x\+'))<CR>
         nnoremap <buffer> <silent> A    :<C-u>exe "vertical resize ".(<SID>linechars('.\{-\}\ze [0-9:/+-][0-9:/+ -]* \d\+)')+1+v:count)<CR>
         nnoremap <buffer> <silent> C    :<C-u>exe "vertical resize ".(<SID>linechars('^\S\+')+1+v:count)<CR>
         nnoremap <buffer> <silent> D    :<C-u>exe "vertical resize ".(<SID>linechars('.\{-\}\ze\d\ze\s\+\d\+)')+1-v:count)<CR>
diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index dd816f3..fd15f86 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -230,6 +230,7 @@ that are part of Git repositories).
                         <CR>  q, then open commit
                         o     open commit in horizontal split
                         O     open commit in new tab
+                        p     open commit in preview window
                         -     reblame at commit
                         ~     reblame at [count]th first grandparent
                         P     reblame at [count]th parent (like HEAD^[count])