diff --git a/python-txaio/PKGBUILD b/python-txaio/PKGBUILD
index 0e6e15476..7c765609f 100644
--- a/python-txaio/PKGBUILD
+++ b/python-txaio/PKGBUILD
@@ -3,7 +3,7 @@
 pkgbase=python-txaio
 pkgname=(python3-txaio python2-txaio)
 pkgver=18.8.1
-pkgrel=1
+pkgrel=2
 pkgdesc='Compatibility API between asyncio/Twisted/Trollius'
 arch=('x86_64')
 url="https://github.com/crossbario/txaio"
@@ -19,14 +19,11 @@ prepare() {
   # https://github.com/crossbario/txaio/issues/77#issuecomment-246276723
   rm txaio-$pkgver/test/test_packaging.py
   cp -a txaio-$pkgver{,-py2}
-
-  # Fix tests on Python 3.7 (https://github.com/crossbario/txaio/issues/134)
-  sed -i 's/asyncio\.test_utils/test.test_asyncio.utils/' txaio-$pkgver/test/*.py
 }
 
 build() {
   cd "$srcdir"/txaio-$pkgver
-  python setup.py build
+  python3 setup.py build
 
   cd "$srcdir"/txaio-$pkgver-py2
   python2 setup.py build
@@ -34,7 +31,7 @@ build() {
 
 check() {
   cd "$srcdir"/txaio-$pkgver
-  python -m pytest
+  python3 -m pytest
 
   cd "$srcdir"/txaio-$pkgver-py2
   python2 -m pytest
@@ -44,7 +41,7 @@ package_python3-txaio() {
   depends=('python3-six')
 
   cd txaio-$pkgver
-  python setup.py install --root="$pkgdir" --optimize=1
+  python3 setup.py install --root="$pkgdir" --optimize=1
   install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
 }