diff --git a/qiskit_ibm/api/rest/runtime.py b/qiskit_ibm/api/rest/runtime.py
index da8cf3487..41e14765a 100644
--- a/qiskit_ibm/api/rest/runtime.py
+++ b/qiskit_ibm/api/rest/runtime.py
@@ -96,7 +96,7 @@ def create_program(
                 'cost': str(max_execution_time),
                 'description': description.encode(),
                 'max_execution_time': max_execution_time,
-                'isPublic': is_public}
+                'is_public': is_public}
         if backend_requirements:
             data['backendRequirements'] = json.dumps(backend_requirements)
         if parameters:
diff --git a/qiskit_ibm/runtime/ibm_runtime_service.py b/qiskit_ibm/runtime/ibm_runtime_service.py
index febe967f6..776b8347d 100644
--- a/qiskit_ibm/runtime/ibm_runtime_service.py
+++ b/qiskit_ibm/runtime/ibm_runtime_service.py
@@ -196,7 +196,7 @@ def _to_program(self, response: Dict) -> RuntimeProgram:
                               max_execution_time=response.get('cost', 0),
                               creation_date=response.get('creationDate', ""),
                               backend_requirements=backend_req,
-                              is_public=response.get('isPublic', False))
+                              is_public=response.get('is_public', False))
 
     def run(
             self,
diff --git a/test/ibm/runtime/fake_runtime_client.py b/test/ibm/runtime/fake_runtime_client.py
index a041c718a..1243fbb9a 100644
--- a/test/ibm/runtime/fake_runtime_client.py
+++ b/test/ibm/runtime/fake_runtime_client.py
@@ -47,7 +47,7 @@ def to_dict(self, include_data=False):
                'name': self._name,
                'cost': self._cost,
                'description': self._description,
-               'isPublic': self._is_public}
+               'is_public': self._is_public}
         if include_data:
             out['data'] = self._data
         if self._backend_requirements: