diff --git a/openflexure_microscope/common/labthings/plugins.py b/openflexure_microscope/common/labthings/plugins.py
index bfb4d857..a7891379 100644
--- a/openflexure_microscope/common/labthings/plugins.py
+++ b/openflexure_microscope/common/labthings/plugins.py
@@ -6,7 +6,11 @@ from importlib import util
 import sys
 
 from openflexure_microscope.config import USER_CONFIG_DIR
-from openflexure_microscope.utilities import camel_to_snake, camel_to_spine
+from openflexure_microscope.utilities import (
+    camel_to_snake,
+    camel_to_spine,
+    snake_to_spine,
+)
 
 
 class BasePlugin:
@@ -96,7 +100,7 @@ class BasePlugin:
 
     @property
     def _name_uri_safe(self):
-        return camel_to_spine(self._name_python_safe)
+        return snake_to_spine(self._name_python_safe)
 
 
 def find_plugins(plugin_path, module_name="plugins"):
diff --git a/openflexure_microscope/utilities.py b/openflexure_microscope/utilities.py
index 20a543ad..7fec2e36 100644
--- a/openflexure_microscope/utilities.py
+++ b/openflexure_microscope/utilities.py
@@ -12,12 +12,14 @@ def deserialise_array_b64(b64_string, dtype, shape):
     flat_arr = np.fromstring(base64.b64decode(b64_string), dtype)
     return flat_arr.reshape(shape)
 
+
 def serialise_array_b64(npy_arr):
-    b64_string = base64.b64encode(npy_arr).decode('ascii')
+    b64_string = base64.b64encode(npy_arr).decode("ascii")
     dtype = str(npy_arr.dtype)
     shape = npy_arr.shape
     return b64_string, dtype, shape
 
+
 def get_by_path(root, items):
     """Access a nested object in root by item sequence."""
     return reduce(operator.getitem, items, root)
@@ -69,6 +71,10 @@ def camel_to_spine(name):
     return re.sub("([a-z0-9])([A-Z])", r"\1-\2", s1).lower()
 
 
+def snake_to_spine(name):
+    return name.replace("_", "-")
+
+
 @contextmanager
 def set_properties(obj, **kwargs):
     """A context manager to set, then reset, certain properties of an object.