diff --git a/cli/pbts.js b/cli/pbts.js
index e1e003760..ffaf0c6c6 100644
--- a/cli/pbts.js
+++ b/cli/pbts.js
@@ -169,6 +169,8 @@ exports.main = function(args, callback) {
                 Object.keys(imports).forEach(function(key) {
                     output.push("import * as " + key + " from \"" + imports[key] + "\";");
                 });
+
+                output.push("import Long = require(\"long\");");
             }
 
             output = output.join("\n") + "\n" + out.join("");