diff --git a/config_converter.py b/config_converter.py
index b1a7fa4..b2f206a 100644
--- a/config_converter.py
+++ b/config_converter.py
@@ -59,11 +59,12 @@ def convert_config(old_base_dir, new_cam_base_dir, new_pipeline_base_dir, new_ba
         config_name = os.path.splitext(basename(old_config_file))[0]
 
         new_cam_config = OrderedDict({"name": config_name,
-                                      "prefix": prefix,
+                                      "source": prefix,
                                       "mirror_x": mirror_x,
                                       "mirror_y": mirror_y,
                                       "rotate": rotate,
-                                      "camera_calibration": new_calibration})
+                                      "camera_calibration": new_calibration,
+                                      "source_type": "epics"})
 
         cam_config_filename = os.path.join(new_cam_base_dir, config_name + ".json")
         with open(cam_config_filename, 'w') as outfile: