diff --git a/gulpfile.js b/gulpfile.js
index 32b6e3b..34a1ea0 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -308,7 +308,12 @@ async function publishToFoundry(done) {
     body: JSON.stringify(payload),
   });
 
-  const responseData = await response.json();
+  let responseData;
+    if (contentType && contentType.includes('application/json')) {
+      responseData = await response.json();
+    } else {
+      responseData = await response.text();
+    }
 
   if (responseData.status === 'success') {
     console.log('Successfully published to Foundry VTT:');