diff --git a/texlive-specs-b.spec b/texlive-specs-b.spec
index 238c789..01adca6 100644
--- a/texlive-specs-b.spec
+++ b/texlive-specs-b.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
@@ -22209,6 +22209,7 @@ VERBOSE=false %{_texmfdistdir}/texconfig/update || :
     for scr in %{_texmfdistdir}/asymptote/GUI/icons_rc.py
     do
 	test -e %{buildroot}/$scr || continue
+	head -n 1 %{buildroot}/$scr | grep -q python3 && continue
 	ed %{buildroot}/${scr} <<-'EOF'
 		1
 		i