diff --git a/setup/so-functions b/setup/so-functions
index 00b7ea28c..b36cd1537 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -952,7 +952,7 @@ docker_seed_registry() {
                         docker pull $CONTAINER_REGISTRY/$IMAGEREPO/$i:$VERSION
     
     			# Get signature
-    			curl https://sigs.securityonion.net/$VERSION/$i:$VERSION.sig --output $SIGNPATH/$i:$VERSION.sig
+    			curl -A "netinstall/$OS/$(uname -r)" https://sigs.securityonion.net/$VERSION/$i:$VERSION.sig --output $SIGNPATH/$i:$VERSION.sig
     			if [[ $? -ne 0 ]]; then
       				echo "Unable to pull signature file for $i:$VERSION"
       				exit 1