diff --git a/piker/ui/_chart.py b/piker/ui/_chart.py
index 55579906..2820a0f1 100644
--- a/piker/ui/_chart.py
+++ b/piker/ui/_chart.py
@@ -72,7 +72,7 @@ from ._interaction import ChartView
 from ._forms import FieldsForm
 from .._profile import pg_profile_enabled, ms_slower_then
 from ._overlay import PlotItemOverlay
-from ._flows import Viz
+from ._render import Viz
 from ._search import SearchWidget
 from . import _pg_overrides as pgo
 from .._profile import Profiler
diff --git a/piker/ui/_curve.py b/piker/ui/_curve.py
index b9a143a2..663b328f 100644
--- a/piker/ui/_curve.py
+++ b/piker/ui/_curve.py
@@ -72,7 +72,7 @@ class Curve(pg.GraphicsObject):
     lower level graphics data can be rendered in different threads and
     then read and drawn in this main thread without having to worry
     about dealing with Qt's concurrency primitives. See
-    ``piker.ui._flows.Renderer`` for details and logic related to lower
+    ``piker.ui._render.Renderer`` for details and logic related to lower
     level path generation and incremental update. The main differences in
     the path generation code include:
 
diff --git a/piker/ui/_pathops.py b/piker/ui/_pathops.py
index a4ce947a..77928c1d 100644
--- a/piker/ui/_pathops.py
+++ b/piker/ui/_pathops.py
@@ -41,7 +41,7 @@ from ._compression import (
 )
 
 if TYPE_CHECKING:
-    from ._flows import (
+    from ._render import (
         Renderer,
         Viz,
     )
diff --git a/piker/ui/_flows.py b/piker/ui/_render.py
similarity index 100%
rename from piker/ui/_flows.py
rename to piker/ui/_render.py