diff --git a/lib/techniques/error/use.py b/lib/techniques/error/use.py
index 4ed145a55..ce7be2cec 100644
--- a/lib/techniques/error/use.py
+++ b/lib/techniques/error/use.py
@@ -320,7 +320,7 @@ def errorUse(expression, expected=None, resumeValue=True, dump=False):
 
             try:
                 threadData = getCurrentThreadData()
-                threadData.shared.limits = range(startLimit, stopLimit+1)
+                threadData.shared.limits = range(startLimit, stopLimit)
                 numThreads = min(conf.threads, len(threadData.shared.limits))
                 threadData.shared.outputs = []
 
diff --git a/lib/techniques/union/use.py b/lib/techniques/union/use.py
index 6f9af2557..745c942ba 100644
--- a/lib/techniques/union/use.py
+++ b/lib/techniques/union/use.py
@@ -261,7 +261,7 @@ def unionUse(expression, unpack=True, dump=False):
 
             try:
                 threadData = getCurrentThreadData()
-                threadData.shared.limits = range(startLimit, stopLimit+1)
+                threadData.shared.limits = range(startLimit, stopLimit)
                 numThreads = min(conf.threads, len(threadData.shared.limits))
                 threadData.shared.value = ""