diff --git a/python_modules/build_iso.py b/python_modules/build_iso.py
index 96041b7d..acfb232d 100644
--- a/python_modules/build_iso.py
+++ b/python_modules/build_iso.py
@@ -73,17 +73,31 @@ class BuildXfce:
 
     def lb_helper(self):
         """ Helper for the lb setup"""
-        if self.sarch[1:] == "64":
-            lbsetup = "conf.LBSET_DEB64"
-            os.system(lbsetup)
-        elif self.sarch[1:] == "32":
-            lbsetup = "conf.LBSET_DEB32"
-            os.system(lbsetup)
-        elif self.sarch[1:] == "arm":
-            lbsetup = "conf.LBSET_DEBARM"
-            os.system(lbsetup)
-        else:
-            lbsetup = None 
+        if self.sbase == "deb":
+            if self.sarch[1:] == "64":
+                lbsetup = conf.LBSET_DEB64
+                os.system(lbsetup)
+            elif self.sarch[1:] == "32":
+                lbsetup = conf.LBSET_DEB32
+                os.system(lbsetup)
+            elif self.sarch[1:] == "arm":
+                lbsetup = conf.LBSET_DEBARM
+                os.system(lbsetup)
+            else:
+                lbsetup = None 
+        elif self.sbase == "dev":
+            if self.sarch[1:] == "64":
+                lbsetup = conf.LBSET_DEV64
+                os.system(lbsetup)
+            elif self.sarch[1:] == "32":
+                lbsetup = conf.LBSET_DEV32
+                os.system(lbsetup)
+            elif self.sarch[1:] == "arm":
+                lbsetup = conf.LBSET_DEVARM
+                os.system(lbsetup)
+            else:
+                lbsetup = None
+            
     
     def infra_helper(self):
         """ Helper for the infra classes """