diff --git a/discovery/duckduckgosearch.py b/discovery/duckduckgosearch.py
index bd882770..5d591a27 100644
--- a/discovery/duckduckgosearch.py
+++ b/discovery/duckduckgosearch.py
@@ -48,9 +48,11 @@ def crawl(self, text):
             load = json.loads(text)
             for key in load.keys():  # Iterate through keys of dict.
                 val = load.get(key)
-                if isinstance(val, int) or isinstance(val, dict):
+                if isinstance(val, int) or isinstance(val, dict) or val is None:
                     continue
                 if isinstance(val, list):
+                    if len(val) == 0:  # Make sure not indexing an empty list
+                        continue
                     val = val[0]  # First value should be dict.
                     if isinstance(val, dict):  # Sanity check.
                         for key in val.keys():
diff --git a/theHarvester.py b/theHarvester.py
index 92875a8c..50fe53f8 100755
--- a/theHarvester.py
+++ b/theHarvester.py
@@ -922,4 +922,4 @@ def start(argv):
     except Exception:
         import traceback
         print(traceback.print_exc())
-        sys.exit(1)
+        sys.exit(1)
\ No newline at end of file