diff --git a/limitador-server/src/config.rs b/limitador-server/src/config.rs
index af319b2d..7e9e6aeb 100644
--- a/limitador-server/src/config.rs
+++ b/limitador-server/src/config.rs
@@ -123,6 +123,21 @@ fn storage_config_from_env() -> Result<StorageConfiguration, ()> {
     }
 }
 
+#[cfg(test)]
+impl Default for Configuration {
+    fn default() -> Self {
+        Configuration {
+            limits_file: "".to_string(),
+            storage: StorageConfiguration::InMemory,
+            rls_host: "".to_string(),
+            rls_port: 0,
+            http_host: "".to_string(),
+            http_port: 0,
+            limit_name_in_labels: false,
+        }
+    }
+}
+
 fn env_option_is_enabled(env_name: &str) -> bool {
     match env::var(env_name) {
         Ok(value) => value == "1",
@@ -190,6 +205,8 @@ mod tests {
     #[test]
     #[serial]
     fn test_config_defaults() {
+        let mut vars = VarEnvCleaner::new();
+        vars.set_var("LIMITS_FILE", "limitador-server/examples/limit.yaml");
         let config = Configuration::from_env().unwrap();
         assert_eq!(&config.limits_file, "");
         assert_eq!(config.storage, StorageConfiguration::InMemory);
@@ -203,6 +220,7 @@ mod tests {
     fn test_config_redis_defaults() {
         let mut vars = VarEnvCleaner::new();
         let url = "redis://127.0.1.1:7654";
+        vars.set_var("LIMITS_FILE", "limitador-server/examples/limit.yaml");
         vars.set_var("REDIS_URL", url);
 
         let config = Configuration::from_env().unwrap();
@@ -222,6 +240,7 @@ mod tests {
     #[serial]
     fn test_config_infinispan_defaults() {
         let mut vars = VarEnvCleaner::new();
+        vars.set_var("LIMITS_FILE", "limitador-server/examples/limit.yaml");
 
         let url = "127.0.2.2:9876";
         vars.set_var("INFINISPAN_URL", url);
diff --git a/limitador-server/src/envoy_rls/server.rs b/limitador-server/src/envoy_rls/server.rs
index e51352e4..8a6aa8de 100644
--- a/limitador-server/src/envoy_rls/server.rs
+++ b/limitador-server/src/envoy_rls/server.rs
@@ -196,9 +196,7 @@ mod tests {
     async fn test_returns_ok_when_no_limits_apply() {
         // No limits saved
         let rate_limiter = MyRateLimiter::new(Arc::new(
-            Limiter::new(Configuration::from_env().unwrap())
-                .await
-                .unwrap(),
+            Limiter::new(Configuration::default()).await.unwrap(),
         ));
 
         let req = RateLimitRequest {
@@ -228,9 +226,7 @@ mod tests {
     #[tokio::test]
     async fn test_returns_unknown_when_domain_is_empty() {
         let rate_limiter = MyRateLimiter::new(Arc::new(
-            Limiter::new(Configuration::from_env().unwrap())
-                .await
-                .unwrap(),
+            Limiter::new(Configuration::default()).await.unwrap(),
         ));
 
         let req = RateLimitRequest {
diff --git a/limitador-server/src/http_api/server.rs b/limitador-server/src/http_api/server.rs
index 88345f10..848bc6ad 100644
--- a/limitador-server/src/http_api/server.rs
+++ b/limitador-server/src/http_api/server.rs
@@ -225,11 +225,8 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_metrics() {
-        let rate_limiter: Arc<Limiter> = Arc::new(
-            Limiter::new(Configuration::from_env().unwrap())
-                .await
-                .unwrap(),
-        );
+        let rate_limiter: Arc<Limiter> =
+            Arc::new(Limiter::new(Configuration::default()).await.unwrap());
         let data = web::Data::new(rate_limiter);
         let app = test::init_service(
             App::new()
@@ -249,9 +246,7 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_limits_read() {
-        let limiter = Limiter::new(Configuration::from_env().unwrap())
-            .await
-            .unwrap();
+        let limiter = Limiter::new(Configuration::default()).await.unwrap();
         let namespace = "test_namespace";
 
         let limit = create_test_limit(&limiter, namespace, 10).await;
@@ -276,9 +271,7 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_check_and_report() {
-        let limiter = Limiter::new(Configuration::from_env().unwrap())
-            .await
-            .unwrap();
+        let limiter = Limiter::new(Configuration::default()).await.unwrap();
 
         // Create a limit with max == 1
         let namespace = "test_namespace";
@@ -324,9 +317,7 @@ mod tests {
     #[actix_rt::test]
     async fn test_check_and_report_endpoints_separately() {
         let namespace = "test_namespace";
-        let limiter = Limiter::new(Configuration::from_env().unwrap())
-            .await
-            .unwrap();
+        let limiter = Limiter::new(Configuration::default()).await.unwrap();
         let _limit = create_test_limit(&limiter, namespace, 1).await;
 
         let rate_limiter: Arc<Limiter> = Arc::new(limiter);