diff --git a/lib/techniques/brute/use.py b/lib/techniques/brute/use.py
index 6a9ee6d1f..516e3fc96 100644
--- a/lib/techniques/brute/use.py
+++ b/lib/techniques/brute/use.py
@@ -250,7 +250,7 @@ def columnExists(columnFile, regex=None):
         columns = {}
 
         for column in retVal:
-            result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)>0)", (column, table, column)))
+            result = inject.checkBooleanExpression("%s" % safeStringFormat("EXISTS(SELECT %s FROM %s WHERE ROUND(%s)=ROUND(%s))", (column, table, column, column)))
 
             if result:
                 columns[column] = 'numeric'