diff --git a/index.js b/index.js
index 67b997073..6e2912e9e 100644
--- a/index.js
+++ b/index.js
@@ -209,6 +209,11 @@ class Package {
     if (resolved.registry || resolved.type === "directory") {
       // a version (1.2.3) OR range (^1.2.3) OR directory (file:../foo-pkg)
       depCollection[depName] = `${savePrefix}${depVersion}`;
+
+      // https://github.com/lerna/lerna/pull/2450
+      if (resolved.explicitWorkspace) {
+        depCollection[depName] = `workspace:${depCollection[depName]}`;
+      }
     } else if (resolved.gitCommittish) {
       // a git url with matching committish (#v1.2.3 or #1.2.3)
       const [tagPrefix] = /^\D*/.exec(resolved.gitCommittish);