diff --git a/lib/core/common.py b/lib/core/common.py
index c3bcc5198..20958e540 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -1754,3 +1754,6 @@ def getTechniqueData(technique=None):
         retVal = kb.injection.data[technique]
 
     return retVal
+
+def isTechniqueAvailable(technique=None):
+    return getTechniqueData(technique) is not None
diff --git a/lib/core/option.py b/lib/core/option.py
index 11caf317c..d2d3d6835 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -27,6 +27,7 @@ from lib.controller.checks import checkConnection
 from lib.core.common import getConsoleWidth
 from lib.core.common import getFileItems
 from lib.core.common import getFileType
+from lib.core.common import isTechniqueAvailable
 from lib.core.common import normalizePath
 from lib.core.common import ntToPosixSlashes
 from lib.core.common import parseTargetDirect
@@ -1133,10 +1134,10 @@ def __setKnowledgeBaseAttributes():
     kb.data            = advancedDict()
 
     # Injection types
-    kb.booleanTest     = property(lambda self: getTechniqueData(PAYLOAD.TECHNIQUE.BOOLEAN) is not None)
-    kb.errorTest       = property(lambda self: getTechniqueData(PAYLOAD.TECHNIQUE.ERROR) is not None)
-    kb.stackedTest     = property(lambda self: getTechniqueData(PAYLOAD.TECHNIQUE.STACKED) is not None)
-    kb.timeTest        = property(lambda self: getTechniqueData(PAYLOAD.TECHNIQUE.TIME) is not None)
+    kb.booleanTest     = property(lambda self: isTechniqueAvailable(PAYLOAD.TECHNIQUE.BOOLEAN))
+    kb.errorTest       = property(lambda self: isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR))
+    kb.stackedTest     = property(lambda self: isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED))
+    kb.timeTest        = property(lambda self: isTechniqueAvailable(PAYLOAD.TECHNIQUE.TIME))
     kb.unionTest       = None
 
     # Basic back-end DBMS fingerprint