diff --git a/lib/core/common.py b/lib/core/common.py
index 21f687c15..61453bd53 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -429,12 +429,7 @@ class Backend:
 
     @staticmethod
     def isDbmsWithin(aliases):
-        if Backend.getDbms() is not None:
-            return Backend.getDbms().lower() in aliases
-        elif Backend.getIdentifiedDbms() is not None:
-            return Backend.getIdentifiedDbms().lower() in aliases
-        else:
-            return False
+        return Backend.getDbms() is not None and Backend.getDbms().lower() in aliases
 
     @staticmethod
     def isVersion(version):
diff --git a/plugins/dbms/oracle/fingerprint.py b/plugins/dbms/oracle/fingerprint.py
index 5e754f40c..d2215c5ca 100644
--- a/plugins/dbms/oracle/fingerprint.py
+++ b/plugins/dbms/oracle/fingerprint.py
@@ -63,6 +63,10 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
+        print "Backend.getDbms():", Backend.getDbms()
+        print "Backend.isDbmsWithin(ORACLE_ALIASES):", Backend.isDbmsWithin(ORACLE_ALIASES)
+        print "conf.dbms:", conf.dbms
+
         if not conf.extensiveFp and (Backend.isDbmsWithin(ORACLE_ALIASES) or conf.dbms in ORACLE_ALIASES):
             setDbms(DBMS.ORACLE)