diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index cfa1bfa39..c87d4f71c 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -582,6 +582,8 @@ def heuristicCheckSqlInjection(place, parameter):
     infoMsg = "heuristic test shows that %s " % place
     infoMsg += "parameter '%s' might " % parameter
 
+    kb.heuristicTest = result
+
     if result:
         infoMsg += "be injectable (possible DBMS: %s)" % (Format.getErrorParsedDBMSes() or UNKNOWN_DBMS_VERSION)
         logger.info(infoMsg)
diff --git a/lib/controller/controller.py b/lib/controller/controller.py
index 5771ce1b7..d71fc470f 100644
--- a/lib/controller/controller.py
+++ b/lib/controller/controller.py
@@ -488,9 +488,9 @@ def start():
                         percent = (100.0 * len(getFilteredPageContent(kb.originalPage)) / len(kb.originalPage))
 
                         if kb.dynamicParameters:
-                            errMsg += " Give it a go with the --text-only switch "
-                            errMsg += "if the target page has a low percentage of "
-                            errMsg += "textual content (~%.2f%% of " % percent
+                            errMsg += " You can give it a go with the --text-only "
+                            errMsg += "switch if the target page has a low percentage "
+                            errMsg += "of textual content (~%.2f%% of " % percent
                             errMsg += "page content is text)."
                         elif percent < LOW_TEXT_PERCENT and not kb.errorIsNone:
                             errMsg += " Please retry with the --text-only switch "
@@ -500,18 +500,27 @@ def start():
                             errMsg += "of comparison engine to detect at least "
                             errMsg += "one dynamic parameter)."
 
+                    if kb.heuristicTest:
+                        errMsg += " As heuristic test turned out positive you are "
+                        errMsg += "strongly advised to continue on with the tests. "
+                        errMsg += "Please, consider usage of tampering scripts as "
+                        errMsg += "your target might filter the queries."
+
                     if not conf.string and not conf.regexp:
-                        errMsg += " Rerun by providing either a valid --string "
+                        errMsg += " Also, you can try to rerun by providing "
+                        errMsg += "either a valid --string "
                         errMsg += "or a valid --regexp, refer to the user's "
                         errMsg += "manual for details"
                     elif conf.string:
-                        errMsg += " Rerun by providing a valid --string, perhaps "
-                        errMsg += "the string that you have choosen does not match "
-                        errMsg += "only on True responses"
+                        errMsg += " Also, you can try to rerun by providing a "
+                        errMsg += "valid --string as perhaps the string you "
+                        errMsg += "have choosen does not match "
+                        errMsg += "exclusively True responses"
                     elif conf.regexp:
-                        errMsg += " Rerun by providing a valid --regexp, perhaps "
-                        errMsg += "the regular expression that you have choosen "
-                        errMsg += "does not match only on True responses"
+                        errMsg += " Also, you can try to rerun by providing a "
+                        errMsg += "valid --regexp as perhaps the regular "
+                        errMsg += "expression that you have choosen "
+                        errMsg += "does not match exclusively True responses"
 
                     raise sqlmapNotVulnerableException, errMsg
                 else:
diff --git a/lib/core/option.py b/lib/core/option.py
index 583d76a2d..5fd6764a6 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1378,6 +1378,7 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.formNames = []
     kb.headersCount = 0
     kb.headersFp = {}
+    kb.heuristicTest = None
     kb.hintValue = None
     kb.htmlFp = []
     kb.ignoreTimeout = False