diff --git a/examples/seismic/acoustic/acoustic_example.py b/examples/seismic/acoustic/acoustic_example.py
index 332f0d0a7a..7165a45ee7 100644
--- a/examples/seismic/acoustic/acoustic_example.py
+++ b/examples/seismic/acoustic/acoustic_example.py
@@ -54,9 +54,8 @@ def run(shape=(50, 50, 50), spacing=(20.0, 20.0, 20.0), tn=1000.0,
         time_order=2, space_order=4, nbpml=40, full_run=False,
         autotune=False, **kwargs):
 
-    solver = acoustic_setup(dimensions=shape, spacing=spacing,
-                            nbpml=nbpml, tn=tn, space_order=space_order,
-                            time_order=time_order, **kwargs)
+    solver = acoustic_setup(shape=shape, spacing=spacing, nbpml=nbpml, tn=tn,
+                            space_order=space_order, time_order=time_order, **kwargs)
 
     initial_vp = smooth10(solver.model.m.data, solver.model.shape_domain)
     dm = np.float32(initial_vp**2 - solver.model.m.data)