diff --git a/tests/nodeos_forked_chain_test.py b/tests/nodeos_forked_chain_test.py
index e7cc92f26f0..7da64847e18 100755
--- a/tests/nodeos_forked_chain_test.py
+++ b/tests/nodeos_forked_chain_test.py
@@ -399,7 +399,7 @@ def getBlock(self, blockNum):
     Print("Tracking block producers from %d till divergence or %d. Head block is %d and lowest LIB is %d" % (preKillBlockNum, lastBlockNum, headBlockNum, libNumAroundDivergence))
     transitionCount=0
     missedTransitionBlock=None
-    for blockNum in range(preKillBlockNum,lastBlockNum):
+    for blockNum in range(preKillBlockNum,lastBlockNum + 1):
         #avoiding getting LIB until my current block passes the head from the last time I checked
         if blockNum>headBlockNum:
             (headBlockNum, libNumAroundDivergence)=getMinHeadAndLib(prodNodes)
diff --git a/tests/nodeos_short_fork_take_over_test.py b/tests/nodeos_short_fork_take_over_test.py
index 77d30c72dcc..c88f5745716 100755
--- a/tests/nodeos_short_fork_take_over_test.py
+++ b/tests/nodeos_short_fork_take_over_test.py
@@ -250,7 +250,7 @@ def getMinHeadAndLib(prodNodes):
     Print("Tracking block producers from %d till divergence or %d. Head block is %d and lowest LIB is %d" % (preKillBlockNum, lastBlockNum, headBlockNum, libNumAroundDivergence))
     transitionCount=0
     missedTransitionBlock=None
-    for blockNum in range(preKillBlockNum,lastBlockNum):
+    for blockNum in range(preKillBlockNum,lastBlockNum + 1):
         #avoiding getting LIB until my current block passes the head from the last time I checked
         if blockNum>headBlockNum:
             (headBlockNum, libNumAroundDivergence)=getMinHeadAndLib(prodNodes)