diff --git a/dangerfile.py b/dangerfile.py
index 09f28cb4d6..3a047c974d 100644
--- a/dangerfile.py
+++ b/dangerfile.py
@@ -21,7 +21,7 @@ def added_lines(target_branch, paths):
                                     '--'] + paths)
     added_lines = []
     for line in diff.splitlines():
-        if line.startswith(b'+'):
+        if line.startswith(b'+') and not line.startswith(b'+++'):
             added_lines.append(line)
     return added_lines