diff --git a/.gitignore b/.gitignore
index c52910a..5f0ec1c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+terraform.tfvars
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -164,4 +165,3 @@ cython_debug/
 .DS_Store
 
 set_google_env.sh
-terraform.tfvars
\ No newline at end of file
diff --git a/main.tf b/main.tf
index c88e8d4..668f696 100644
--- a/main.tf
+++ b/main.tf
@@ -79,7 +79,7 @@ resource "google_compute_instance" "circle_instance" {
           image: ${var.region}-docker.pkg.dev/${var.project_id}/${var.repository_id}/circle-app:${var.image_tag}
           env:
           - name: MONGO_URI
-            value: ${var.mongo_uri}
+            value: ${var.MONGO_URI}
           - name: GOOGLE_TYPE
             value: ${var.GOOGLE_TYPE}
           - name: GOOGLE_PROJECT_ID
diff --git a/variables.tf b/variables.tf
index e8cc91e..43e1655 100644
--- a/variables.tf
+++ b/variables.tf
@@ -34,7 +34,7 @@ variable "image_tag" {
   default     = "latest"
 }
 
-variable "mongo_uri" {
+variable "MONGO_URI" {
   description = "MongoDB URI for the application"
   type        = string
 }