diff --git a/src/testdir/test_python3.vim b/src/testdir/test_python3.vim
index c39515a..2f5e057 100644
--- a/src/testdir/test_python3.vim
+++ b/src/testdir/test_python3.vim
@@ -189,7 +189,7 @@
 endfunc
 
 " Test range objects, see :help python-range
-func Test_range()
+func Test_python3_range()
   new
   py3 b = vim.current.buffer