diff --git a/index.js b/index.js
index c0e4822..87453c1 100644
--- a/index.js
+++ b/index.js
@@ -38,7 +38,7 @@ function licensee (configuration, path, callback) {
       .then(function (tree) {
         var dependencies = Array.from(tree.inventory.values())
           .filter(function (dependency) {
-            return !dependency.isProjectRoot
+            return !dependency.isProjectRoot && dependency.package.name;
           })
         if (configuration.filterPackages) {
           dependencies = configuration.filterPackages(dependencies)
diff --git a/tests/pnpm-compatibility/.licensee.json b/tests/pnpm-compatibility/.licensee.json
new file mode 100644
index 0000000..9f655f7
--- /dev/null
+++ b/tests/pnpm-compatibility/.licensee.json
@@ -0,0 +1,10 @@
+{
+  "licenses": {
+    "spdx": [
+      "Apache-2.0"
+    ]
+  },
+  "packages": {
+    "mit-licensed": "1.0.0"
+  }
+}
diff --git a/tests/pnpm-compatibility/node_modules/.modules.yaml b/tests/pnpm-compatibility/node_modules/.modules.yaml
new file mode 100644
index 0000000..4fc5043
--- /dev/null
+++ b/tests/pnpm-compatibility/node_modules/.modules.yaml
@@ -0,0 +1,21 @@
+hoistPattern:
+  - '*'
+hoistedDependencies: {}
+included:
+  dependencies: true
+  devDependencies: true
+  optionalDependencies: true
+injectedDeps: {}
+layoutVersion: 5
+nodeLinker: isolated
+packageManager: pnpm@7.14.2
+pendingBuilds: []
+prunedAt: Fri, 04 Nov 2022 21:34:40 GMT
+publicHoistPattern:
+  - '*eslint*'
+  - '*prettier*'
+registries:
+  default: https://registry.npmjs.org/
+skipped: []
+storeDir: /Users/cvx/Library/pnpm/store/v3
+virtualStoreDir: .pnpm
diff --git a/tests/pnpm-compatibility/node_modules/.pnpm/lock.yaml b/tests/pnpm-compatibility/node_modules/.pnpm/lock.yaml
new file mode 100644
index 0000000..36b5dc2
--- /dev/null
+++ b/tests/pnpm-compatibility/node_modules/.pnpm/lock.yaml
@@ -0,0 +1,13 @@
+lockfileVersion: 5.4
+
+specifiers:
+  mit-licensed: ^1.0.0
+
+dependencies:
+  mit-licensed: 1.0.0
+
+packages:
+
+  /mit-licensed/1.0.0:
+    resolution: {integrity: sha512-aCppNedGHnTQZvrrNcX43bMZSvLHlH2ZwC7NJqr05onseQjx0+GDGz3a44ONAVpefHPW8GQN8kNW02e+MG088A==}
+    dev: false
diff --git a/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/index.js b/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/index.js
new file mode 100644
index 0000000..d0e9332
--- /dev/null
+++ b/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/index.js
@@ -0,0 +1 @@
+throw new Error('Do not require mit-licensed. It is just for testing license metadata.')
diff --git a/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/package.json b/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/package.json
new file mode 100644
index 0000000..dbb0145
--- /dev/null
+++ b/tests/pnpm-compatibility/node_modules/.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed/package.json
@@ -0,0 +1,8 @@
+{
+  "name": "mit-licensed",
+  "version": "1.0.0",
+  "description": "an empty package that is MIT-licensed",
+  "author": "Kyle E. Mitchell <kyle@kemitchell.com> (https://kemitchell.com/)",
+  "repository": "jslicense/mit-licensed.js",
+  "license": "MIT"
+}
diff --git a/tests/pnpm-compatibility/node_modules/mit-licensed b/tests/pnpm-compatibility/node_modules/mit-licensed
new file mode 120000
index 0000000..85cf516
--- /dev/null
+++ b/tests/pnpm-compatibility/node_modules/mit-licensed
@@ -0,0 +1 @@
+.pnpm/mit-licensed@1.0.0/node_modules/mit-licensed
\ No newline at end of file
diff --git a/tests/pnpm-compatibility/package.json b/tests/pnpm-compatibility/package.json
new file mode 100644
index 0000000..9c7e98a
--- /dev/null
+++ b/tests/pnpm-compatibility/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "pnpm-workspace",
+  "dependencies": {
+    "mit-licensed": "^1.0.0"
+  },
+  "private": true
+}
diff --git a/tests/pnpm-compatibility/pnpm-lock.yaml b/tests/pnpm-compatibility/pnpm-lock.yaml
new file mode 100644
index 0000000..36b5dc2
--- /dev/null
+++ b/tests/pnpm-compatibility/pnpm-lock.yaml
@@ -0,0 +1,13 @@
+lockfileVersion: 5.4
+
+specifiers:
+  mit-licensed: ^1.0.0
+
+dependencies:
+  mit-licensed: 1.0.0
+
+packages:
+
+  /mit-licensed/1.0.0:
+    resolution: {integrity: sha512-aCppNedGHnTQZvrrNcX43bMZSvLHlH2ZwC7NJqr05onseQjx0+GDGz3a44ONAVpefHPW8GQN8kNW02e+MG088A==}
+    dev: false
diff --git a/tests/pnpm-compatibility/test.js b/tests/pnpm-compatibility/test.js
new file mode 100644
index 0000000..add2337
--- /dev/null
+++ b/tests/pnpm-compatibility/test.js
@@ -0,0 +1,5 @@
+var tap = require('tap')
+
+var results = require('../run')([], __dirname)
+
+tap.equal(results.status, 0)