diff --git a/autoload/airline/themes/powerlineish.vim b/autoload/airline/themes/powerlineish.vim
index 48eb1ec..3d3f6a0 100644
--- a/autoload/airline/themes/powerlineish.vim
+++ b/autoload/airline/themes/powerlineish.vim
@@ -32,13 +32,16 @@ let g:airline#themes#powerlineish#palette.normal = airline#themes#generate_color
 
 let g:airline#themes#powerlineish#palette.insert = airline#themes#generate_color_map(s:I1, s:I2, s:I3)
 let g:airline#themes#powerlineish#palette.insert_replace = {
-      \ 'airline_a': [ s:RE[0]   , s:I1[1]   , s:RE[1]   , s:I1[3]   , ''     ] }
+      \ 'airline_a': [ s:RE[0]   , s:I1[1]   , s:RE[1]   , s:I1[3]   , ''     ],
+      \ 'airline_z': [ s:RE[0]   , s:I1[1]   , s:RE[1]   , s:I1[3]   , ''     ] }
 
 let g:airline#themes#powerlineish#palette.visual = {
-      \ 'airline_a': [ s:V1[0]   , s:V1[1]   , s:V1[2]   , s:V1[3]   , ''     ] }
+      \ 'airline_a': [ s:V1[0]   , s:V1[1]   , s:V1[2]   , s:V1[3]   , ''     ],
+      \ 'airline_z': [ s:V1[0]   , s:V1[1]   , s:V1[2]   , s:V1[3]   , ''     ] }
 
 let g:airline#themes#powerlineish#palette.replace = copy(airline#themes#powerlineish#palette.normal)
 let g:airline#themes#powerlineish#palette.replace.airline_a = [ s:RE[0] , s:RE[1] , s:RE[2] , s:RE[3] , '' ]
+let g:airline#themes#powerlineish#palette.replace.airline_z = g:airline#themes#powerlineish#palette.replace.airline_a
 
 
 let s:IA = [ s:N2[0] , s:N3[1] , s:N2[2] , s:N3[3] , '' ]