diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e3c9edb7..1ff4f81d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,9 +63,9 @@ jobs:
         codename=$(lsb_release -c | awk '{print $2}')
         sudo dpkg --add-architecture arm64
         sudo bash -c "cat > /etc/apt/sources.list.d/arm64.list <<EOF
-        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ '${codename}' main restricted
-        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ '${codename}'-updates main restricted
-        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ '${codename}-backports' main restricted universe multiverse
+        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ \"${codename}\" main restricted
+        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ \"${codename}-updates\" main restricted
+        deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ \"${codename}-backports\" main restricted universe multiverse
         EOF"
         sudo sed -i -e 's/deb http/deb [arch=amd64] http/g' /etc/apt/sources.list
         sudo sed -i -e 's/deb mirror/deb [arch=amd64] mirror/g' /etc/apt/sources.list