diff --git a/reactbot/simplepattern.py b/reactbot/simplepattern.py
index d9e74e1..4d3e2c3 100644
--- a/reactbot/simplepattern.py
+++ b/reactbot/simplepattern.py
@@ -22,6 +22,10 @@ class BlankMatch:
     def groups() -> List[str]:
         return []
 
+    @staticmethod
+    def group(group: int) -> str:
+        return ""
+
     @staticmethod
     def groupdict() -> Dict[str, str]:
         return {}