diff --git a/src/LaMEM_ModelGeneration/Model.jl b/src/LaMEM_ModelGeneration/Model.jl
index e41e62a9..a152bb76 100644
--- a/src/LaMEM_ModelGeneration/Model.jl
+++ b/src/LaMEM_ModelGeneration/Model.jl
@@ -290,6 +290,11 @@ function create_initialsetup(model::Model, cores::Int64=1, args::String=""; verb
         # write marker files to disk before running LaMEM
         Model3D = CartData(model.Grid.Grid, (Phases=model.Grid.Phases,Temp=model.Grid.Temp));
 
+        if Sys.iswindows()
+            cores=1;
+            println("LaMEM_jll does not support parallel runs on windows; using 1 core instead")
+        end
+        
         if cores>1
             PartFile = run_lamem_save_grid(model.Output.param_file_name, cores)