diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 623be060ce..4ad8ef58a3 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -89,6 +89,8 @@ parts:
       export GOROOT=${SNAPCRAFT_STAGE}
       export PATH="${GOROOT}/bin:${PATH}"
 
+      http_proxy=${http_proxy:-""}
+      https_proxy=${https_proxy:-""}
       if [ -n "$http_proxy" ]; then
         echo "Setting proxy $http_proxy"
         sudo -E systemctl set-environment http_proxy=$http_proxy || true