diff --git a/packages/insomnia/customSign.js b/packages/insomnia/customSign.js
index b58129b4aa2..88a3872594b 100644
--- a/packages/insomnia/customSign.js
+++ b/packages/insomnia/customSign.js
@@ -5,7 +5,7 @@ const execAsync = util.promisify(exec);
 
 exports.default = async function(configuration) {
     // skip signing if not windows squirrel
-    if (configuration.options.target[0].target !== 'squirrel') {
+    if (!configuration.options.target || configuration.options.target !== 'squirrel' || configuration.options.target[0].target !== 'squirrel') {
         console.log('[customSign] Skipping signing because target is not windows squirrel.');
         return;
     }