diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 7ee0597de..267a903f5 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -440,7 +440,7 @@ def checkSqlInjection(place, parameter, value):
                                     if not isinstance(dValue, list):
                                         injection.dbms = Backend.setDbms(dValue)
                                     else:
-                                        Backend.forceDbms(dValue[0])
+                                        Backend.forceDbms(dValue[0], True)
                                 elif dKey == "dbms_version" and injection.dbms_version is None:
                                     injection.dbms_version = Backend.setVersion(dValue)
                                 elif dKey == "os" and injection.os is None:
@@ -497,6 +497,8 @@ def checkSqlInjection(place, parameter, value):
             # Reset forced back-end DBMS value
             Backend.flushForcedDbms()
 
+    Backend.flushForcedDbms(True)
+
     # Return the injection object
     if injection.place is not None and injection.parameter is not None:
         injection = checkFalsePositives(injection)
diff --git a/lib/core/common.py b/lib/core/common.py
index 5dc1bb94a..46d58149e 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -297,12 +297,15 @@ class Backend:
             logger.error("invalid format of versionsList")
 
     @staticmethod
-    def forceDbms(dbms):
-        kb.misc.forcedDbms = aliasToDbmsEnum(dbms)
+    def forceDbms(dbms, sticky=False):
+        if not kb.misc.stickyFlag:
+            kb.misc.forcedDbms = aliasToDbmsEnum(dbms)
+            kb.misc.stickyFlag = sticky
 
     @staticmethod
-    def flushForcedDbms():
-        kb.misc.forcedDbms = None
+    def flushForcedDbms(force=False):
+        if not kb.misc.stickyFlag or force:
+            kb.misc.forcedDbms = None
 
     @staticmethod
     def setOs(os):
diff --git a/lib/core/option.py b/lib/core/option.py
index b06397cf3..67baeff09 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -1403,6 +1403,7 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.misc.space = ":%s:" % randomStr(length=1, lowercase=True)
     kb.misc.dollar = ":%s:" % randomStr(length=1, lowercase=True)
     kb.misc.forcedDbms = None
+    kb.misc.stickyFlag = False
 
     if flushAll:
         kb.keywords = set(getFileItems(paths.SQL_KEYWORDS))