diff --git a/autoload/airline/init.vim b/autoload/airline/init.vim
index 05ae6ab8..5a00fd1f 100644
--- a/autoload/airline/init.vim
+++ b/autoload/airline/init.vim
@@ -138,6 +138,11 @@ function! airline#init#bootstrap()
           \ 'crypt': nr2char(0x1F512),
           \ }, 'keep')
     "  Note: If "\u2046" (Ɇ) does not show up, try to use "\u2204" (∄)
+    if exists("*setcellwidths")
+      " whitespace char 0x2632 changed to double-width in Unicode 16,
+      " mark it single width again
+      call setcellwidths([[0x2632, 0x2632, 1]])
+    endif
   elseif &encoding==?'utf-8' && !get(g:, "airline_symbols_ascii", 0)
     " Symbols for Unicode terminals
     call s:check_defined('g:airline_left_sep', "")