diff --git a/lib/dts-bundle.js b/lib/dts-bundle.js
index 3aad927..c01c9f1 100644
--- a/lib/dts-bundle.js
+++ b/lib/dts-bundle.js
@@ -19,9 +19,10 @@ function mapOptions(argObj) {
     //"newline", // Manual
     //"indent", // not implemented
         "prefix",
-//        "separator", not implemented
+    //"separator", not implemented
         "externals",
     //"exclude", // not implemented
+        "includePrivate",
         "removeSource",
         "verbose",
         "referenceExternals",
@@ -71,6 +72,7 @@ program
     .option('--referenceExternals', 'reference external modules as <reference path="..." /> tags *** Experimental, TEST NEEDED')
 //.option('--exclude ', 'filter to exclude typings, either a RegExp or a callback. match path relative to opts.baseDir')
     .option('--removeSource', 'delete all source typings (i.e. "<baseDir>/**/*.d.ts")')
+    .option('--includePrivate', 'include private members in output')
     .option('--newline [style]', 'newline style to use in output file => unix|windows|currentOsDefault', /^(unix|windows|currentOsDefault)$/i)
 //.option('--indent', 'indentation to use in output file')
     .option('--prefix [value]', 'prefix for rewriting module names')
@@ -92,4 +94,4 @@ if (!result.emitted) {
     console.log("Result no emitted - use verbose to see details.");
     process.exit(1);
 }
-  
\ No newline at end of file
+  
diff --git a/lib/index.ts b/lib/index.ts
index 6e744c4..b4aff3d 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -35,6 +35,7 @@ export interface Options {
     separator?: string;
     externals?: boolean;
     exclude?: { (file: string): boolean; } | RegExp;
+    includePrivate?: boolean;
     removeSource?: boolean;
     verbose?: boolean;
     referenceExternals?: boolean;
@@ -99,6 +100,7 @@ export function bundle(options: Options): BundleResult {
 
     const externals = optValue(options.externals, false);
     const exclude = optValue(options.exclude, null);
+    const includePrivate = optValue(options.includePrivate, null);
     const removeSource = optValue(options.removeSource, false);
     const referenceExternals = optValue(options.referenceExternals, false);
     const emitOnIncludedFileNotFound = optValue(options.emitOnIncludedFileNotFound, false);
@@ -688,7 +690,7 @@ export function bundle(options: Options): BundleResult {
             }
 
             // private member
-            if (privateExp.test(line)) {
+            if (!includePrivate && privateExp.test(line)) {
                 queuedJSDoc = null;
                 return;
             }