diff --git a/src/testdir/test_utf8.vim b/src/testdir/test_utf8.vim
index 991a095..61ea0d0 100644
--- a/src/testdir/test_utf8.vim
+++ b/src/testdir/test_utf8.vim
@@ -294,6 +294,7 @@
 endfunc
 
 func Test_setcellwidths_dump()
+  CheckScreendump
   CheckRunVimInTerminal
 
   let lines =<< trim END
@@ -311,6 +312,7 @@
 
 " Test setcellwidths() on characters that are not targets of 'ambiwidth'.
 func Test_setcellwidths_with_non_ambiwidth_character_dump()
+  CheckScreendump
   CheckRunVimInTerminal
 
   let lines =<< trim END
@@ -333,6 +335,7 @@
 " For some reason this test causes Test_customlist_completion() to fail on CI,
 " so run it as the last test.
 func Test_zz_ambiwidth_hl_dump()
+  CheckScreendump
   CheckRunVimInTerminal
 
   let lines =<< trim END