diff --git a/BrightID.sol b/BrightID.sol
index d44a823..6eaee3c 100644
--- a/BrightID.sol
+++ b/BrightID.sol
@@ -74,6 +74,7 @@ contract BrightID is Ownable, IBrightID {
             verifications[addrs[i]].isVerified = false;
             history[addrs[i - 1]] = addrs[i];
         }
+        history[addrs[i-1]] = address(0);
         emit Verified(addrs[0]);
     }
 
diff --git a/StoppableBrightID.sol b/StoppableBrightID.sol
index e8a882b..e5d21d3 100644
--- a/StoppableBrightID.sol
+++ b/StoppableBrightID.sol
@@ -148,6 +148,7 @@ contract StoppableBrightID is Ownable, IBrightID {
             verifications[addrs[i]].isVerified = false;
             history[addrs[i - 1]] = addrs[i];
         }
+        history[addrs[i-1]] = address(0);
         emit Verified(addrs[0]);
     }