diff --git a/bigchaindb/core.py b/bigchaindb/core.py
index ea4b2576..dc7d5d69 100644
--- a/bigchaindb/core.py
+++ b/bigchaindb/core.py
@@ -475,3 +475,18 @@ class Bigchain(object):
             unvoted.pop(0)
 
         return unvoted
+
+    def block_voted_invalid(self, block):
+        """
+        Checks if block has enough invalid votes to make a decision
+        """
+        n_voters = len(block['block']['voters'])
+
+        vote_list = [vote['vote']['is_block_valid'] for vote in block['votes']]
+
+        n_invalid_votes = vote_list.count(False)
+
+        if n_invalid_votes >= int(n_voters/2):
+            return True
+        else:
+            return False
diff --git a/bigchaindb/voter.py b/bigchaindb/voter.py
index 3e1e6cd3..2123204f 100644
--- a/bigchaindb/voter.py
+++ b/bigchaindb/voter.py
@@ -208,15 +208,12 @@ class Election(object):
         """
         Checks if block has enough invalid votes to make a decision
         """
+        b = Bigchain()
+
         while True:
             next_block = self.q_block_new_vote.get()
-            n_voters = len(next_block['block']['voters'])
 
-            vote_list = [vote['vote']['is_block_valid'] for vote in next_block['votes']]
-
-            n_invalid_votes = vote_list.count(False)
-
-            if n_invalid_votes >= int(n_voters/2):
+            if b.block_voted_invalid(next_block):
                 self.q_invalid_blocks.put(next_block)
 
     def requeue_transactions(self):