diff --git a/stackit/internal/services/sqlserverflexbeta/instance/resource.go b/stackit/internal/services/sqlserverflexbeta/instance/resource.go
index e61091cf..85b83c06 100644
--- a/stackit/internal/services/sqlserverflexbeta/instance/resource.go
+++ b/stackit/internal/services/sqlserverflexbeta/instance/resource.go
@@ -84,6 +84,7 @@ func (r *instanceResource) Schema(ctx context.Context, req resource.SchemaReques
 			},
 			"description": schema.StringAttribute{
 				Computed: true,
+				Optional: true,
 				PlanModifiers: []planmodifier.String{
 					UseStateForUnknownIfFlavorUnchanged(req),
 				},