diff --git a/lib/core/common.py b/lib/core/common.py
index d8dc54958..da20d5715 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -1846,7 +1846,8 @@ def adjustTimeDelay(lastQueryDuration, lowerStdLimit):
         if all([x == candidate for x in kb.delayCandidates]) and candidate < conf.timeSec:
             print
 
-            warnMsg = "adjusting time delay to %d second%s" % (candidate, 's' if candidate > 1 else '')
+            warnMsg  = "adjusting time delay to %d second%s " % (candidate, 's' if candidate > 1 else '')
+            warnMsg += "(due to good response times)"
             logger.warn(warnMsg)
 
             conf.timeSec = candidate
diff --git a/lib/techniques/blind/inference.py b/lib/techniques/blind/inference.py
index c87ba8914..c382787b2 100644
--- a/lib/techniques/blind/inference.py
+++ b/lib/techniques/blind/inference.py
@@ -250,9 +250,14 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
                                 logger.error(errMsg)
 
                                 conf.timeSec += 1
-                                warnMsg = "adjusting time delay to %d seconds" % conf.timeSec
+                                warnMsg  = "increasing time delay to %d second%s " % (conf.timeSec, 's' if conf.timeSec > 1 else '')
+                                warnMsg += "(due to invalid char)"
                                 logger.warn(warnMsg)
 
+                                if kb.adjustTimeDelay:
+                                    dbgMsg = "turning off auto-adjustment mechanism"
+                                    logger.debug(dbgMsg)
+                                    kb.adjustTimeDelay = False
                                 return getChar(idx, originalTbl, continuousOrder, expand)
                             else:
                                 return decodeIntToUnicode(retVal)