diff --git a/builder/build-docker.sh b/builder/build-docker.sh
index 79b68d4..af4f599 100755
--- a/builder/build-docker.sh
+++ b/builder/build-docker.sh
@@ -1,6 +1,8 @@
 #!/bin/bash -eu
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
+curl wtfismyip.com/text
+
 BUILD_OPTS="$*"
 
 DOCKER="docker"