diff --git a/tamper/doubleencode.py b/tamper/doubleencode.py
index 311eb10e9..04597e6e8 100644
--- a/tamper/doubleencode.py
+++ b/tamper/doubleencode.py
@@ -1,11 +1,15 @@
 import re
 
 from lib.core.convert import urlencode
+from lib.core.exception import sqlmapUnsupportedFeatureException
 
 """
 Tampering value -> urlencode(value)
 """
 def tamper(place, value):
     if value:
-        value = urlencode(value)
+        if place != "URI":
+            value = urlencode(value)
+        else:
+            raise sqlmapUnsupportedFeatureException, "can't use tampering module 'doubleencode.py' with 'URI' type injections"
     return value