diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
index 36cbe8e13..2847d4624 100644
--- a/.github/workflows/config.yml
+++ b/.github/workflows/config.yml
@@ -29,9 +29,9 @@ jobs:
           - DOCKER_IMAGE: osrf/ubuntu_armhf:xenial
           - DOCKER_IMAGE: osrf/ubuntu_arm64:trusty
           - DOCKER_IMAGE: osrf/ubuntu_arm64:xenial
-          - QEMU: aarach64
+          - QEMU: aarch64
             DOCKER_IMAGE: arm64v8/ubuntu:bionic
-          - QEMU: aarach64
+          - QEMU: aarch64
             DOCKER_IMAGE: arm64v8/ubuntu:focal
           - DOCKER_IMAGE: osrf/debian_arm64:stretch
           - DOCKER_IMAGE: amd64/debian:unstable
@@ -64,7 +64,7 @@ jobs:
           # sparc64
       fail-fast: false
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     timeout-minutes: 60
 
     name: linux
diff --git a/.travis.sh b/.travis.sh
index c147effd1..1fb4ea247 100755
--- a/.travis.sh
+++ b/.travis.sh
@@ -67,7 +67,7 @@ if [ "$TRAVIS_OS_NAME" == "osx" ]; then
 fi
 
 ### for multiarch compile test
-if [ "$QEMU" != "" ]; then
+if [[ "$QEMU" != "" && "$DOCKER_IMAGE" != "arm64v8/ubuntu:"* ]]; then
     travis_time_start install.dpkg-dev
     apt-get install -qq -y dpkg-dev patchutils
     travis_time_end