diff --git a/lib/resolve-external.js b/lib/resolve-external.js
index c7238fbd..4f92c4e5 100644
--- a/lib/resolve-external.js
+++ b/lib/resolve-external.js
@@ -58,17 +58,15 @@ function crawl (obj, path, $refs, options) {
     if ($Ref.isExternal$Ref(obj)) {
       promises.push(resolve$Ref(obj, path, $refs, options));
     }
-    else {
-      for (let key of Object.keys(obj)) {
-        let keyPath = Pointer.join(path, key);
-        let value = obj[key];
-
-        if ($Ref.isExternal$Ref(value)) {
-          promises.push(resolve$Ref(value, keyPath, $refs, options));
-        }
-        else {
-          promises = promises.concat(crawl(value, keyPath, $refs, options));
-        }
+    for (let key of Object.keys(obj)) {
+      let keyPath = Pointer.join(path, key);
+      let value = obj[key];
+
+      if ($Ref.isExternal$Ref(value)) {
+        promises.push(resolve$Ref(value, keyPath, $refs, options));
+      }
+      else {
+        promises = promises.concat(crawl(value, keyPath, $refs, options));
       }
     }
   }
diff --git a/test/specs/external-root/bundled.js b/test/specs/external-root/bundled.js
new file mode 100644
index 00000000..2642c17b
--- /dev/null
+++ b/test/specs/external-root/bundled.js
@@ -0,0 +1,10 @@
+"use strict";
+
+module.exports = {
+  external2: {
+    $ref: "definitions-other.yaml#/external2"
+  },
+  thing: {
+    type: "string"
+  }
+};
diff --git a/test/specs/external-root/definitions-other.yaml b/test/specs/external-root/definitions-other.yaml
new file mode 100644
index 00000000..4c283411
--- /dev/null
+++ b/test/specs/external-root/definitions-other.yaml
@@ -0,0 +1,3 @@
+external2:
+  thing:
+    type: string
diff --git a/test/specs/external-root/definitions.yaml b/test/specs/external-root/definitions.yaml
new file mode 100644
index 00000000..b94d0dde
--- /dev/null
+++ b/test/specs/external-root/definitions.yaml
@@ -0,0 +1,3 @@
+external1:
+  thing:
+    type: string
diff --git a/test/specs/external-root/dereferenced.js b/test/specs/external-root/dereferenced.js
new file mode 100644
index 00000000..118327bd
--- /dev/null
+++ b/test/specs/external-root/dereferenced.js
@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports =
+{
+  thing: {
+      type: "string"
+  },
+  external2: {
+    thing: {
+      type: "string"
+    }
+  }
+};
diff --git a/test/specs/external-root/external-root.spec.js b/test/specs/external-root/external-root.spec.js
new file mode 100644
index 00000000..d0b5221f
--- /dev/null
+++ b/test/specs/external-root/external-root.spec.js
@@ -0,0 +1,62 @@
+"use strict";
+
+const { expect } = require("chai");
+const $RefParser = require("../../../lib");
+const helper = require("../../utils/helper");
+const path = require("../../utils/path");
+const parsedSchema = require("./parsed");
+const dereferencedSchema = require("./dereferenced");
+const bundledSchema = require("./bundled");
+
+/**
+ * This test is from PR #
+ * https://github.com/APIDevTools/json-schema-ref-parser/pull/62
+ */
+describe("Schema with external root refs", () => {
+  it("should parse successfully from an absolute path", async () => {
+    let parser = new $RefParser();
+    const schema = await parser.parse(path.abs("specs/external-root/external-root.yaml"));
+    expect(schema).to.equal(parser.schema);
+    expect(schema).to.deep.equal(parsedSchema.schema);
+    expect(parser.$refs.paths()).to.deep.equal([path.abs("specs/external-root/external-root.yaml")]);
+  });
+
+  it("should parse successfully from a relative path", async () => {
+    let parser = new $RefParser();
+    const schema = await parser.parse(path.rel("specs/external-root/external-root.yaml"));
+    expect(schema).to.equal(parser.schema);
+    expect(schema).to.deep.equal(parsedSchema.schema);
+    expect(parser.$refs.paths()).to.deep.equal([path.abs("specs/external-root/external-root.yaml")]);
+  });
+
+  it("should parse successfully from a url", async () => {
+    let parser = new $RefParser();
+    const schema = await parser.parse(path.url("specs/external-root/external-root.yaml"));
+    expect(schema).to.equal(parser.schema);
+    expect(schema).to.deep.equal(parsedSchema.schema);
+    expect(parser.$refs.paths()).to.deep.equal([path.url("specs/external-root/external-root.yaml")]);
+  });
+
+  it("should resolve successfully", helper.testResolve(
+    path.abs("specs/external-root/external-root.yaml"),
+    path.abs("specs/external-root/external-root.yaml"), parsedSchema.schema,
+    path.abs("specs/external-root/definitions.yaml"), parsedSchema.definitions,
+    path.abs("specs/external-root/definitions-other.yaml"), parsedSchema.definitionsOther
+  ));
+
+  it("should dereference successfully", async () => {
+    let parser = new $RefParser();
+    const schema = await parser.dereference(path.rel("specs/external-root/external-root.yaml"));
+    expect(schema).to.equal(parser.schema);
+    expect(schema).to.deep.equal(dereferencedSchema);
+    // The "circular" flag should NOT be set
+    expect(parser.$refs.circular).to.equal(false);
+  });
+
+  it("should bundle successfully", async () => {
+    let parser = new $RefParser();
+    const schema = await parser.bundle(path.rel("specs/external-root/external-root.yaml"));
+    expect(schema).to.equal(parser.schema);
+    expect(schema).to.deep.equal(bundledSchema);
+  });
+});
diff --git a/test/specs/external-root/external-root.yaml b/test/specs/external-root/external-root.yaml
new file mode 100644
index 00000000..7a8a772f
--- /dev/null
+++ b/test/specs/external-root/external-root.yaml
@@ -0,0 +1,3 @@
+$ref: 'definitions.yaml#/external1'
+external2:
+  $ref: 'definitions-other.yaml#/external2'
diff --git a/test/specs/external-root/parsed.js b/test/specs/external-root/parsed.js
new file mode 100644
index 00000000..34e41ee6
--- /dev/null
+++ b/test/specs/external-root/parsed.js
@@ -0,0 +1,27 @@
+"use strict";
+
+module.exports =
+{
+  schema: {
+    $ref: "definitions.yaml#/external1",
+    external2: {
+      $ref: "definitions-other.yaml#/external2"
+    },
+  },
+  
+  definitions: {
+    external1: {
+      thing: {
+        type: "string"
+      }
+    }
+  },
+
+  definitionsOther: {
+    external2: {
+      thing: {
+        type: "string"
+      }
+    }
+  }
+};