diff --git a/setup/so-functions b/setup/so-functions
index 97c837c4a..f5463bc1e 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://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/$BRANCH/sigs/images/$VERSION/$i.sig --output $SIGNPATH/$i.gpg
+    			curl https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/$BRANCH/sigs/images/$VERSION/$i.sig --output $SIGNPATH/$i.sig
     			if [[ $? -ne 0 ]]; then
       				echo "Unable to pull signature file for $i:$VERSION"
       				exit 1