diff --git a/.github/workflows/spectesting.yml b/.github/workflows/spectesting.yml
index 66aa140f9..bfe821f9b 100644
--- a/.github/workflows/spectesting.yml
+++ b/.github/workflows/spectesting.yml
@@ -28,8 +28,8 @@ jobs:
         run: .ci/spec/create-hosts.sh
         working-directory: ${{github.workspace}}
         env:
-          VAGRANT_HOST_BOXES: "hashicorp/bionic64"
-          VAGRANT_GUEST_BOXES: "hasicorp/bionic64","hashicorp-vagrant/ubuntu-16.04"
+          VAGRANT_HOST_BOXES: hashicorp/bionic64
+          VAGRANT_GUEST_BOXES: hasicorp/bionic64,hashicorp-vagrant/ubuntu-16.04
 
   spec-tests:
     if: github.repository == 'hashicorp/vagrant-blackbox'
@@ -41,8 +41,8 @@ jobs:
         run: .ci/spec/run-test.sh
         working-directory: ${{github.workspace}}
         env:
-          VAGRANT_HOST_BOXES: "hashicorp/bionic64"
-          VAGRANT_GUEST_BOXES: "hasicorp/bionic64","hashicorp-vagrant/ubuntu-16.04"
+          VAGRANT_HOST_BOXES: hashicorp/bionic64
+          VAGRANT_GUEST_BOXES: hasicorp/bionic64,hashicorp-vagrant/ubuntu-16.04
 
   cleanup:
     if: github.repository == 'hashicorp/vagrant-blackbox'