diff --git a/environments/.caas/ui-meta/slurm-infra-fast-volume-type.yml b/environments/.caas/ui-meta/slurm-infra-fast-volume-type.yml
index a4d592caf..bd9992db4 100644
--- a/environments/.caas/ui-meta/slurm-infra-fast-volume-type.yml
+++ b/environments/.caas/ui-meta/slurm-infra-fast-volume-type.yml
@@ -44,6 +44,7 @@ parameters:
     kind: cloud.size
     immutable: true
     options:
+      count_parameter: compute_count
       min_ram: 2048
       min_disk: 20
   
diff --git a/environments/.caas/ui-meta/slurm-infra.yml b/environments/.caas/ui-meta/slurm-infra.yml
index 00c3bfc99..8b6c00cb9 100644
--- a/environments/.caas/ui-meta/slurm-infra.yml
+++ b/environments/.caas/ui-meta/slurm-infra.yml
@@ -44,6 +44,7 @@ parameters:
     kind: cloud.size
     immutable: true
     options:
+      count_parameter: compute_count
       min_ram: 2048
       min_disk: 20