diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index 5606cd7c..f2156645 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -1637,10 +1637,13 @@ build_package_auto_tcltk() {
   fi
 }
 
+# extglob must be set at parse time, not at runtime
+# https://stackoverflow.com/questions/49283740/bash-script-throws-syntax-errors-when-the-extglob-option-is-set-inside-a-subsh
+shopt -s extglob
 apply_python_patch() {
   local patchfile
   case "$1" in
-  Python-* | jython-* | pypy-* | stackless-* )
+  Python-* | jython-* | pypy-* | pypy[:digit:].+([:digit:])-* | stackless-* )
     patchfile="$(mktemp "${TMP}/python-patch.XXXXXX")"
     cat "${2:--}" >"$patchfile"
 
@@ -1650,6 +1653,7 @@ apply_python_patch() {
     ;;
   esac
 }
+shopt -u extglob
 
 build_package_symlink_version_suffix() {
   if [[ "$CONFIGURE_OPTS $PYTHON_CONFIGURE_OPTS" == *"--enable-framework"* ]]; then