diff --git a/lib/verify-config.js b/lib/verify-config.js
index db65ce1f..291757ce 100644
--- a/lib/verify-config.js
+++ b/lib/verify-config.js
@@ -14,6 +14,11 @@ const VALIDATORS = {
 module.exports = (cmdProp, {shell, execCwd, ...pluginConfig}) => {
   const cmd = pluginConfig[cmdProp] ? cmdProp : pluginConfig.cmd ? 'cmd' : cmdProp;
 
+  // join arrays of commands into a single command
+  if (Array.isArray(pluginConfig[cmd])) {
+    pluginConfig[cmd] = pluginConfig[cmd].join(' && ');
+  }
+
   const errors = Object.entries({shell, execCwd, cmd: pluginConfig[cmd]}).reduce(
     (errors, [option, value]) =>
       VALIDATORS[option](value)