diff --git a/models/component/component.hcl b/models/component/component.hcl
index 9b9c459..b941c84 100644
--- a/models/component/component.hcl
+++ b/models/component/component.hcl
@@ -1,4 +1,4 @@
 locals {
   component = basename(get_terragrunt_dir())
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/deployment/deployment.hcl b/models/deployment/deployment.hcl
index 673cfaa..127fb68 100644
--- a/models/deployment/deployment.hcl
+++ b/models/deployment/deployment.hcl
@@ -1,4 +1,4 @@
 locals {
   deployment = basename(get_terragrunt_dir())
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/environment/environment.hcl b/models/environment/environment.hcl
index 0ac7be0..2e649ff 100644
--- a/models/environment/environment.hcl
+++ b/models/environment/environment.hcl
@@ -1,4 +1,4 @@
 locals {
   env = basename(get_terragrunt_dir())
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/product/product.hcl b/models/product/product.hcl
index ac240c2..8b6f814 100644
--- a/models/product/product.hcl
+++ b/models/product/product.hcl
@@ -1,4 +1,4 @@
 locals {
   product = basename(get_terragrunt_dir())
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/subcomponent/subcomponent.hcl b/models/subcomponent/subcomponent.hcl
index 69216b3..b44f7a7 100644
--- a/models/subcomponent/subcomponent.hcl
+++ b/models/subcomponent/subcomponent.hcl
@@ -1,4 +1,4 @@
 locals {
   subcomponent = basename(get_terragrunt_dir())
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/team/team.hcl b/models/team/team.hcl
index e53d2d7..5f96bca 100644
--- a/models/team/team.hcl
+++ b/models/team/team.hcl
@@ -10,4 +10,4 @@ locals {
   backend_dynamodb_table  = "terraform-locks"
   backend_dynamodb_endpoint = "https://dynamodb.k8sotl.integration.in.cloe.education.gouv.fr"
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))
diff --git a/models/trigram/trigram.hcl b/models/trigram/trigram.hcl
index 2a9be54..36474bc 100644
--- a/models/trigram/trigram.hcl
+++ b/models/trigram/trigram.hcl
@@ -3,4 +3,4 @@ locals {
   trigram  = basename(get_terragrunt_dir())
   leaseDays = 30
 }
-inputs = merge(values)
+inputs = merge(try(values, {}))