diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
index b7c8ad7..09e73ef 100644
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -435,13 +435,13 @@
     let n = 0
     let n.key = 3
   END
-  call v9.CheckScriptFailure(lines, 'E1203: Dot can only be used on a dictionary: n.key = 3')
+  call v9.CheckScriptFailure(lines, 'E1203: Dot not allowed after a number: n.key = 3')
   let lines =<< trim END
     vim9script
     var n = 0
     n.key = 3
   END
-  call v9.CheckScriptFailure(lines, 'E1203: Dot can only be used on a dictionary: n.key = 3')
+  call v9.CheckScriptFailure(lines, 'E1203: Dot not allowed after a number: n.key = 3')
   let lines =<< trim END
     var n = 0
     n.key = 3
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 07afadb..3a18777 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1278,7 +1278,7 @@
     var n: any
     n.key = 5
   END
-  v9.CheckDefExecAndScriptFailure(lines, ['E1148:', 'E1203: Dot can only be used on a dictionary: n.key = 5'], 2)
+  v9.CheckDefExecAndScriptFailure(lines, ['E1148:', 'E1203: Dot not allowed after a number: n.key = 5'], 2)
 enddef
 
 def Test_assignment_local()