diff --git a/packmol_step/data/packmol.ini b/packmol_step/data/packmol.ini
index b73efca..6a66cd7 100644
--- a/packmol_step/data/packmol.ini
+++ b/packmol_step/data/packmol.ini
@@ -16,7 +16,7 @@ container = ghcr.io/molssi-seamm/seamm-packmol:{version}
 # app silicon (M1, M3...) where the default platform is linux/arm64 but some containers
 # are only available for linux/amd64.
 
-# platform = linux/amd64
+platform = linux/amd64
 
 [local]
 # The type of local installation to use. Options are:
@@ -68,4 +68,4 @@ code = packmol
 # app silicon (M1, M3...) where the default platform is linux/arm64 but some containers
 # are only available for linux/amd64.
 
-# platform = linux/amd64
+platform = linux/amd64