diff --git a/tools/wasm-pack-plugin/plugin.sh b/tools/wasm-pack-plugin/plugin.sh
index 8eec291..d5d875c 100755
--- a/tools/wasm-pack-plugin/plugin.sh
+++ b/tools/wasm-pack-plugin/plugin.sh
@@ -29,7 +29,7 @@ if [[ "${PLUGIN_ACTIONS}" =~ '(^|,)publish(,|$)' ]]; then
     if [ "${PLUGIN_SCOPE:-}" = "" ]; then
         npm config set registry ${REGISTRY}
     else
-        npm config set ${PLUGIN_SCOPE}:registry ${REGISTRY}
+        npm config set @${PLUGIN_SCOPE}:registry ${REGISTRY}
     fi
 
     npm config set -- $(echo ${REGISTRY} | sed -Ee "s/^https?://"):_authToken "${PLUGIN_TOKEN}"