diff --git a/lib/util/versioning.js b/lib/util/versioning.js
index a55b28a2..7dfa9478 100644
--- a/lib/util/versioning.js
+++ b/lib/util/versioning.js
@@ -34,6 +34,13 @@ function get_node_abi(runtime, target) {
             return 'v8-' + abi;
         }
     } else {
+        if (runtime === 'node-webkit') {
+            if (typeof process.versions['node-webkit'] === 'undefined') {
+                // erroneous CLI call
+                throw new Error("Empty target version is not supported if node-webkit is the target.");
+            }
+            return runtime + '-v' + process.versions['node-webkit'];
+        }
         // process.versions.modules added in >= v0.10.4 and v0.11.7
         // https://github.com/joyent/node/commit/ccabd4a6fa8a6eb79d29bc3bbe9fe2b6531c2d8e
         return process.versions.modules ? runtime+'-v' + (+process.versions.modules) :