diff --git a/src/opnsense/scripts/unbound/blocklists.py b/src/opnsense/scripts/unbound/blocklists.py
index c043f4708..3e42c58eb 100755
--- a/src/opnsense/scripts/unbound/blocklists.py
+++ b/src/opnsense/scripts/unbound/blocklists.py
@@ -53,19 +53,24 @@ def uri_reader(uri):
         req.raw.decode_content = True
         prev_chop  = ''
         while True:
-            chop = req.raw.read(1024).decode()
-            if not chop:
-                if prev_chop:
-                    yield prev_chop
-                break
-            else:
-                parts = (prev_chop + chop).split('\n')
-                if parts[-1] != "\n":
-                    prev_chop = parts.pop()
+            try:
+                chop = req.raw.read(1024).decode()
+                if not chop:
+                    if prev_chop:
+                        yield prev_chop
+                    break
                 else:
-                    prev_chop = ''
-                for part in parts:
-                    yield part
+                    parts = (prev_chop + chop).split('\n')
+                    if parts[-1] != "\n":
+                        prev_chop = parts.pop()
+                    else:
+                        prev_chop = ''
+                    for part in parts:
+                        yield part
+            except Exception as e:
+                syslog.syslog(syslog.LOG_ERR,'blocklist download : error reading file from %s (error : %s)' % (uri, e))
+                return
+
     else:
         syslog.syslog(syslog.LOG_ERR,
             'blocklist download : unable to download file from %s (status_code: %d)' % (uri, req.status_code)