diff --git a/pyren/mod_db_manager.py b/pyren/mod_db_manager.py
index 2bd65f9..263fdaf 100644
--- a/pyren/mod_db_manager.py
+++ b/pyren/mod_db_manager.py
@@ -42,7 +42,7 @@ def find_DBs():
             clip_found = True
             break
 
-    if os.name == 'android':
+    if mod_globals.os == 'android':
         if not clip_found:
             print "ERROR: CLIP DB not found"
             exit()
@@ -71,6 +71,8 @@ def find_DBs():
         print 'CLIP DB :',mod_globals.cliproot
     if ddt_found:
         print 'DDT  DB :',mod_globals.ddtroot
+        if mod_globals.os != 'android':
+            mod_globals.opt_ddt = True
 
     #check cache version
     verfilename = "./cache/version09q.txt"
diff --git a/pyren/pyren.py b/pyren/pyren.py
index 6a6ceb9..9e2e90a 100755
--- a/pyren/pyren.py
+++ b/pyren/pyren.py
@@ -291,10 +291,6 @@ def main():
 
   mod_ddt_utils.searchddtroot()
 
-  #check if DDT present
-  if os.path.exists(os.path.join(mod_globals.ddtroot, '/ecus')) and mod_globals.os != 'android':
-    mod_globals.opt_ddt = True  
-
   while( 1 ):
     clearScreen()
     choosen_ecu = se.chooseECU( mod_globals.opt_ecuid )   # choose ECU among detected