diff --git a/src/physics/convection.jl b/src/physics/convection.jl
index 73b20ebae..0111a72b0 100644
--- a/src/physics/convection.jl
+++ b/src/physics/convection.jl
@@ -2,6 +2,7 @@ abstract type AbstractConvection <: AbstractParameterization end
 
 export NoConvection
 struct NoConvection <: AbstractConvection end
+NoConvection(::SpectralGrid) = NoConvection()
 initialize!(::NoConvection, ::PrimitiveEquation) = nothing
 convection!(::ColumnVariables, ::NoConvection, ::PrimitiveEquation) = nothing
 
diff --git a/test/convection.jl b/test/convection.jl
index 71cf7c868..284145f6d 100644
--- a/test/convection.jl
+++ b/test/convection.jl
@@ -8,10 +8,14 @@
         for Model in (  PrimitiveDryModel,
                         PrimitiveWetModel)
 
-            convection = Convection(spectral_grid)
-            model = Model(;spectral_grid, convection)
-            simulation = initialize!(model)
-            run!(simulation, period=Day(5))
+            # that combination is not defined
+            if ~(Convection == SimplifiedBettsMiller && Model == PrimitiveDryModel)
+                convection = Convection(spectral_grid)
+                model = Model(;spectral_grid, convection)
+                model.feedback.verbose = false
+                simulation = initialize!(model)
+                run!(simulation, period=Day(1))
+            end
         end
     end
 end
\ No newline at end of file