diff --git a/lib/core/agent.py b/lib/core/agent.py
index b1baa7610..c3e4b9a68 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -75,12 +75,14 @@ class Agent:
         origValue = paramDict[parameter]
 
         if place == PLACE.URI:
+            paramString = origValue
             origValue = origValue.split(CUSTOM_INJECTION_MARK_CHAR)[0]
             origValue = origValue[origValue.rfind('/') + 1:]
             for char in ('?', '=', ':'):
                 if char in origValue:
                     origValue = origValue[origValue.rfind(char) + 1:]
         elif place == PLACE.CUSTOM_POST:
+            paramString = origValue
             origValue = origValue.split(CUSTOM_INJECTION_MARK_CHAR)[0]
             origValue = extractRegexResult(r"(?s)(?P<result>(\W+\Z|\w+\Z))", origValue)