diff --git a/mirgecom/gas_model.py b/mirgecom/gas_model.py
index a2373b732..174930dc5 100644
--- a/mirgecom/gas_model.py
+++ b/mirgecom/gas_model.py
@@ -342,11 +342,11 @@ def make_fluid_state(cv, gas_model,
     actx = cv.array_context
 
     # FIXME work-around for now
-    smoothness_mu = (actx.zeros_like(cv.mass) if smoothness_mu
+    smoothness_mu = (actx.np.zeros_like(cv.mass) if smoothness_mu
                      is None else smoothness_mu)
-    smoothness_kappa = (actx.zeros_like(cv.mass) if smoothness_kappa
+    smoothness_kappa = (actx.np.zeros_like(cv.mass) if smoothness_kappa
                         is None else smoothness_kappa)
-    smoothness_beta = (actx.zeros_like(cv.mass) if smoothness_beta
+    smoothness_beta = (actx.np.zeros_like(cv.mass) if smoothness_beta
                        is None else smoothness_beta)
 
     if wall_density is None: