diff --git a/lib/API/Modules/Modularizer.js b/lib/API/Modules/Modularizer.js
index 8fb8a61d46..2e80bf4896 100644
--- a/lib/API/Modules/Modularizer.js
+++ b/lib/API/Modules/Modularizer.js
@@ -39,7 +39,7 @@ Modularizer.install = function (CLI, module_name, opts, cb) {
     Common.logMod(`Installing local NPM module`);
     return NPM.localStart(CLI, opts, cb)
   }
-  else if (opts.tarball || /^[a-z_\.-]+tar\.gz$/ig.test(module_name)) {
+  else if (opts.tarball || /\.tar\.gz$/i.test(module_name)) {
     Common.logMod(`Installing TAR module`);
     TAR.install(CLI, module_name, opts, cb)
   }