diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index f02da7f..6831809 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -853,8 +853,8 @@
 
       var nres: any
       var sres: any
-      def Func(n: number, s = '')
-        nres = n
+      def Func(nr: number, s = '')
+        nres = nr
         sres = s
       enddef
 
@@ -869,7 +869,7 @@
   lines =<< trim END
       vim9script
 
-      def Func(n: number, s = '')
+      def Func(nr: number, s = '')
       enddef
 
       var n: number