diff --git a/texlive-specs-u.spec b/texlive-specs-u.spec
index 50d7c25..8a7f514 100644
--- a/texlive-specs-u.spec
+++ b/texlive-specs-u.spec
@@ -21,7 +21,7 @@
 %define texlive_version  2021
 %define texlive_previous 2020
 %define texlive_release  20210325
-%define texlive_noarch   185
+%define texlive_noarch   186
 
 #!BuildIgnore:          texlive
 #!BuildIgnore:          texlive-scripts
@@ -19734,6 +19734,7 @@ VERBOSE=false %{_texmfdistdir}/texconfig/update || :
     for scr in %{_texmfdistdir}/doc/latex/scanpages/replicate.py
     do
         test -e %{buildroot}/$scr || continue
+	head -n 1 %{buildroot}/$scr | grep -q python3 && continue
 	ed %{buildroot}/${scr} <<-'EOF'
 		1
 		s@python@python3@