diff --git a/rowers/utils.py b/rowers/utils.py
index 26c13c12..23eb63f1 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -539,15 +539,18 @@ def get_strava_stream(r,metric,stravaid,series_type='time',fetchresolution='high
         with open('data.txt', 'w') as outfile:
             json.dump(s.json(), outfile)
 
-    for data in s.json():
-        y = None
-        try:
-            if data['type'] == metric:
-                return  np.array(data['data'])
-        except TypeError: # pragma: no cover
-            return None
+    try:
+        for data in s.json():
+            y = None
+            try:
+                if data['type'] == metric:
+                    return  np.array(data['data'])
+            except TypeError: # pragma: no cover
+                return None
+    except JSONDecodeError:
+        return None
 
-    return None
+    return None # pragma: no cover
 
 def allmonths(startdate,enddate):
     d = startdate