diff --git a/runtime/syntax/python.vim b/runtime/syntax/python.vim
index b2f866b8b3..2382690531 100644
--- a/runtime/syntax/python.vim
+++ b/runtime/syntax/python.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Python
 " Maintainer:	Zvezdan Petkovic <zpetkovic@acm.org>
-" Last Change:	2025 Sep 05
+" Last Change:	2025 Sep 08
 " Credits:	Neil Schemenauer <nas@python.ca>
 "		Dmitry Vasiliev
 "		Rob B
@@ -271,7 +271,7 @@ if !exists("python_no_number_highlight")
   syn match   pythonNumber
         \ "\<\d\%(_\=\d\)*\.\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\%(\W\|$\)\@="
   syn match   pythonNumber
-        \ "\%(^\|\W\)\zs\%(\d\%(_\=\d\)*\)\=\.\d\%(_\=\d\)*\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\>"
+        \ "\%(^\|\W\)\@1<=\%(\d\%(_\=\d\)*\)\=\.\d\%(_\=\d\)*\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\>"
 endif
 
 " Group the built-ins in the order in the 'Python Library Reference' for