diff --git a/srcpkgs/python3-txaio/template b/srcpkgs/python3-txaio/template
index af2e958afd0..3f2b6657f51 100644
--- a/srcpkgs/python3-txaio/template
+++ b/srcpkgs/python3-txaio/template
@@ -1,7 +1,7 @@
 # Template file for 'python3-txaio'
 pkgname=python3-txaio
 version=21.2.1
-revision=3
+revision=4
 wrksrc="txaio-${version}"
 build_style=python3-module
 hostmakedepends="python3 python3-setuptools"
@@ -14,6 +14,6 @@ distfiles="https://github.com/crossbario/txaio/archive/v${version}.tar.gz"
 checksum=ca6f62d244ec3581b71c5c1f808a8b4a48f35cc02591b2c7c1eba7970d76cb6c
 make_check=no # Depends on deprecated and unmaintained trollius package
 
-post-install() {
+post_install() {
 	vlicense LICENSE
 }