diff --git a/internal/nix/nix.go b/internal/nix/nix.go
index 0db2068..1722a86 100644
--- a/internal/nix/nix.go
+++ b/internal/nix/nix.go
@@ -127,7 +127,7 @@ func (p *flakeLockParser) Parse(filename string, content []byte) (*core.Result,
 
 	for name, node := range lock.Nodes {
 		// Skip root node
-		if name == "root" {
+		if name == lock.Root {
 			continue
 		}
 
diff --git a/manifests_test.go b/manifests_test.go
index e28c380..331f461 100644
--- a/manifests_test.go
+++ b/manifests_test.go
@@ -38,6 +38,7 @@ func TestParseAllEcosystems(t *testing.T) {
 		{"helm Chart.lock", "testdata/helm/Chart.lock", "helm", Lockfile},
 		{"helm requirements.yaml", "testdata/helm/legacy/requirements.yaml", "helm", Manifest},
 		{"helm requirements.lock", "testdata/helm/legacy/requirements.lock", "helm", Lockfile},
+		{"nix flake.lock", "testdata/nix/flake.lock", "nix", Lockfile},
 		{"vagrant Vagrantfile", "testdata/vagrant/Vagrantfile", "vagrant", Manifest},
 	}
 
diff --git a/testdata/nix/flake.lock b/testdata/nix/flake.lock
index 8bf87bd..88dc013 100644
--- a/testdata/nix/flake.lock
+++ b/testdata/nix/flake.lock
@@ -55,7 +55,7 @@
         "type": "github"
       }
     },
-    "root": {
+    "project": {
       "inputs": {
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
@@ -78,6 +78,6 @@
       }
     }
   },
-  "root": "root",
+  "root": "project",
   "version": 7
 }