diff --git a/tests/test_framework/lianad.py b/tests/test_framework/lianad.py
index 5fcf9a38..4bc5a84f 100644
--- a/tests/test_framework/lianad.py
+++ b/tests/test_framework/lianad.py
@@ -38,6 +38,7 @@ class Lianad(TailableProc):
         self.prefix = os.path.split(datadir)[-1]
 
         self.signer = signer
+        self._poll_interval_secs = 1
         self.multi_desc = multi_desc
         self.receive_desc, self.change_desc = multi_desc.singlepath_descriptors()
 
@@ -56,9 +57,14 @@ class Lianad(TailableProc):
 
             f.write("[bitcoin_config]\n")
             f.write('network = "regtest"\n')
-            f.write("poll_interval_secs = 1\n")
+            f.write(f"poll_interval_secs = {self._poll_interval_secs}\n")
         bitcoin_backend.append_to_lianad_conf(self.conf_file)
 
+    @property
+    def poll_interval_secs(self):
+        """Return the poll interval in seconds as defined in the config file."""
+        return self._poll_interval_secs
+
     def finalize_psbt(self, psbt):
         """Create a valid witness for all inputs in the PSBT.
         This will fail if the PSBT input does not contain enough material.