diff --git a/docs/changelog.rst b/docs/changelog.rst
index 30527692..c6c0f3da 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,11 @@
 Changelog
 ~~~~~~~~~
 
+Unreleased
+----------
+
+* Fix: use correct ``instance`` with ``IBMQEmulatorBackend``.
+
 0.48.0 (January 2024)
 ---------------------
 
diff --git a/pytket/extensions/qiskit/backends/ibmq_emulator.py b/pytket/extensions/qiskit/backends/ibmq_emulator.py
index 5adf8bb4..93297427 100644
--- a/pytket/extensions/qiskit/backends/ibmq_emulator.py
+++ b/pytket/extensions/qiskit/backends/ibmq_emulator.py
@@ -85,7 +85,9 @@ def __init__(
             token=token,
         )
 
-        self._service = QiskitRuntimeService(channel="ibm_quantum", token=token)
+        self._service = QiskitRuntimeService(
+            channel="ibm_quantum", instance=instance, token=token
+        )
         self._session = Session(service=self._service, backend="ibmq_qasm_simulator")
 
         # Get noise model: