diff --git a/lib/core/settings.py b/lib/core/settings.py
index 8b30c6909..ced5a02de 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 = "1.0.5.30"
+VERSION = "1.0.5.31"
 REVISION = getRevisionNumber()
 STABLE = VERSION.count('.') <= 2
 VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
diff --git a/plugins/generic/entries.py b/plugins/generic/entries.py
index ddf9996a4..31ad6f470 100644
--- a/plugins/generic/entries.py
+++ b/plugins/generic/entries.py
@@ -294,8 +294,11 @@ class Entries:
                         indexRange = getLimitRange(count, plusOne=plusOne)
 
                         if len(colList) < len(indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
+                            debugMsg = "checking for empty columns"
+                            logger.debug(infoMsg)
+
                             for column in colList:
-                                if inject.getValue("SELECT COUNT(%s) FROM %s" % (column, kb.dumpTable), union=False, error=False) == '0':
+                                if not inject.checkBooleanExpression("(SELECT COUNT(%s) FROM %s)>0" % (column, kb.dumpTable)):
                                     emptyColumns.append(column)
                                     debugMsg = "column '%s' of table '%s' will not be " % (column, kb.dumpTable)
                                     debugMsg += "dumped as it appears to be empty"