diff --git a/ovgenpy/ovgenpy.py b/ovgenpy/ovgenpy.py
index 65194b9..a406370 100644
--- a/ovgenpy/ovgenpy.py
+++ b/ovgenpy/ovgenpy.py
@@ -33,7 +33,6 @@ class Config:
     render: RendererConfig
 
     outputs: List[outputs.IOutputConfig]
-    create_window: bool = False
 
     @property
     def render_width_s(self) -> float:
@@ -97,12 +96,11 @@ class Ovgen:
         # Calculate number of frames (TODO master file?)
         render_width_s = self.cfg.render_width_s
         fps = self.cfg.fps
-        create_window = self.cfg.create_window
 
         nframes = fps * self.waves[0].get_s()
         nframes = int(nframes) + 1
 
-        renderer = MatplotlibRenderer(self.cfg.render, self.nchan, create_window)
+        renderer = MatplotlibRenderer(self.cfg.render, self.nchan)
 
         if RENDER_PROFILING:
             begin = time.perf_counter()
diff --git a/ovgenpy/renderer.py b/ovgenpy/renderer.py
index ca14a36..bf0c8dc 100644
--- a/ovgenpy/renderer.py
+++ b/ovgenpy/renderer.py
@@ -24,6 +24,7 @@ class RendererConfig:
 
     nrows: Optional[int] = None
     ncols: Optional[int] = None
+    create_window: bool = False
 
     def __post_init__(self):
         if not self.nrows:
@@ -61,10 +62,9 @@ class MatplotlibRenderer:
 
     DPI = 96
 
-    def __init__(self, cfg: RendererConfig, nplots: int, create_window: bool):
+    def __init__(self, cfg: RendererConfig, nplots: int):
         self.cfg = cfg
         self.nplots = nplots
-        self.create_window = create_window
 
         # Setup layout
         # "ncols=1" is good for vertical layouts.
@@ -121,7 +121,7 @@ class MatplotlibRenderer:
             self.cfg.width / self.DPI,
             self.cfg.height / self.DPI
         )
-        if self.create_window:
+        if self.cfg.create_window:
             plt.show(block=False)
 
     def _calc_layout(self) -> Tuple[int, int]:
diff --git a/tests/test_renderer.py b/tests/test_renderer.py
index a7192a6..74201e4 100644
--- a/tests/test_renderer.py
+++ b/tests/test_renderer.py
@@ -36,7 +36,7 @@ def test_renderer():
     cfg = RendererConfig(WIDTH, HEIGHT, ncols=2)
     nplots = 16
 
-    r = MatplotlibRenderer(cfg, nplots, create_window=False)
+    r = MatplotlibRenderer(cfg, nplots)
 
     # 2 columns, 8 rows
     assert r.ncols == 2