diff --git a/bbot/modules/postman.py b/bbot/modules/postman.py
index e58169d026..5a63f824e3 100644
--- a/bbot/modules/postman.py
+++ b/bbot/modules/postman.py
@@ -96,6 +96,8 @@ async def search_workspace(self, id):
         status_code = getattr(r, "status_code", 0)
         try:
             json = r.json()
+            if not isinstance(json, dict):
+                raise ValueError(f"Got unexpected value for JSON: {json}")
         except Exception as e:
             self.warning(f"Failed to decode JSON for {r.url} (HTTP status: {status_code}): {e}")
             return [], []