diff --git a/lib/core/settings.py b/lib/core/settings.py
index e7a67cfbc..3c8d892c4 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from lib.core.revision import getRevisionNumber
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.0.5.39"
+VERSION = "1.0.5.40"
 REVISION = getRevisionNumber()
 STABLE = VERSION.count('.') <= 2
 VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
diff --git a/lib/utils/pivotdumptable.py b/lib/utils/pivotdumptable.py
index a511000e5..a8447ddfa 100644
--- a/lib/utils/pivotdumptable.py
+++ b/lib/utils/pivotdumptable.py
@@ -134,10 +134,13 @@ def pivotDumpTable(table, colList, count=None, blind=True):
                 value = _(column, pivotValue)
                 if column == colList[0]:
                     if isNoneValue(value):
-                        for pivotValue in filter(None, ("  " if pivotValue == " " else None, "%s%s" % (pivotValue[0], unichr(ord(pivotValue[1]) + 1)) if len(pivotValue) > 1 else None, unichr(ord(pivotValue[0]) + 1))):
-                            value = _(column, pivotValue)
-                            if not isNoneValue(value):
-                                break
+                        try:
+                            for pivotValue in filter(None, ("  " if pivotValue == " " else None, "%s%s" % (pivotValue[0], unichr(ord(pivotValue[1]) + 1)) if len(pivotValue) > 1 else None, unichr(ord(pivotValue[0]) + 1))):
+                                value = _(column, pivotValue)
+                                if not isNoneValue(value):
+                                    break
+                        except ValueError:
+                            pass
 
                     if isNoneValue(value):
                         breakRetrieval = True