diff --git a/test/py/conftest.py b/test/py/conftest.py
index 449f98b..5b16456 100644
--- a/test/py/conftest.py
+++ b/test/py/conftest.py
@@ -179,6 +179,7 @@ def pytest_configure(config):
     ubconfig.board_type = board_type
     ubconfig.board_identity = board_identity
     ubconfig.gdbserver = gdbserver
+    ubconfig.dtb = build_dir + '/arch/sandbox/dts/test.dtb'
 
     env_vars = (
         'board_type',
diff --git a/test/py/u_boot_console_sandbox.py b/test/py/u_boot_console_sandbox.py
index 04654ae..b440497 100644
--- a/test/py/u_boot_console_sandbox.py
+++ b/test/py/u_boot_console_sandbox.py
@@ -46,7 +46,7 @@ class ConsoleSandbox(ConsoleBase):
             self.config.build_dir + '/u-boot',
             '-v',
             '-d',
-            self.config.build_dir + '/arch/sandbox/dts/test.dtb'
+            self.config.dtb
         ]
         return Spawn(cmd, cwd=self.config.source_dir)