diff --git a/lib/core/common.py b/lib/core/common.py
index 301a45cf8..abbfde45d 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -2411,7 +2411,7 @@ def cpuThrottle(value):
     delay = 0.00001 * (value ** 2)
     time.sleep(delay)
 
-def removeReflectiveValues(content, payload):
+def removeReflectiveValues(content, payload, suppressWarning=False):
     """
     Neutralizes (static/marked) reflective values in a given content based on a payload
     (e.g. ?search=sql injection ---> ...value="sql%20injection")
@@ -2429,7 +2429,7 @@ def removeReflectiveValues(content, payload):
 
         retVal = re.sub(regex, REFLECTED_VALUE_MARKER, content, re.I)
 
-        if retVal != content:
+        if retVal != content and not suppressWarning:
             debugMsg = "reflective value found and filtered out"
             logger.debug(debugMsg)
 
diff --git a/lib/techniques/inband/union/test.py b/lib/techniques/inband/union/test.py
index 46056f0cf..d464669d2 100644
--- a/lib/techniques/inband/union/test.py
+++ b/lib/techniques/inband/union/test.py
@@ -124,10 +124,9 @@ def __unionPosition(comment, place, parameter, value, prefix, suffix, count, whe
 
         # Perform the request
         page, headers = Request.queryPage(payload, place=place, content=True, raise404=False)
-        content = "%s%s".lower() % (page or "", listToStrValue(headers.headers if headers else None) or "")
-
-        # Remove possible reflective values from content (especially headers part)
-        content = removeReflectiveValues(content, payload)
+        content = "%s%s".lower() % (removeReflectiveValues(page, payload) or "", \
+            removeReflectiveValues(listToStrValue(headers.headers if headers else None), \
+            payload, True) or "")
 
         if content and phrase in content:
             validPayload = payload
diff --git a/lib/techniques/inband/union/use.py b/lib/techniques/inband/union/use.py
index c7b23c0e6..932ccdc6c 100644
--- a/lib/techniques/inband/union/use.py
+++ b/lib/techniques/inband/union/use.py
@@ -65,7 +65,7 @@ def __oneShotUnionUse(expression, unpack=True):
     # sql injection output
     output = extractRegexResult(check, removeReflectiveValues(page, payload), re.DOTALL | re.IGNORECASE) \
             or extractRegexResult(check, removeReflectiveValues(listToStrValue(headers.headers \
-            if headers else None), payload), re.DOTALL | re.IGNORECASE)
+            if headers else None), payload, True), re.DOTALL | re.IGNORECASE)
 
     if output:
         output = getUnicode(output, kb.pageEncoding)