diff --git a/bin/docpub.js b/bin/docpub.js
index ef7d97a..da9880e 100755
--- a/bin/docpub.js
+++ b/bin/docpub.js
@@ -39,7 +39,13 @@ program.on('--help', () => {
 
 program.parse(process.argv);
 
-const docpub = new Docpub(program);
+let docpub;
+
+try {
+    docpub = new Docpub(program);
+} catch (e) {
+    process.exit(1); // in case docpub failed to construct interface instance, unable to continue
+}
 
 docpub
     .uploadCategory()
diff --git a/lib/docpub.js b/lib/docpub.js
index 947b49f..5b9193d 100644
--- a/lib/docpub.js
+++ b/lib/docpub.js
@@ -31,7 +31,7 @@ module.exports = class Docpub {
         logger.setup(opts);
 
         this._path = path.resolve(opts.path);
-        this._config = new Config(opts.configPath, this._path);
+        this._config = this._loadConfig(opts);
     }
 
     /**
@@ -63,11 +63,24 @@ module.exports = class Docpub {
                 );
             })
             .catch(e => {
-                logger.error(`Upload failed!`);
-                logger.error(e.message);
-                logger.error(e.stack);
+                this._logError(e);
 
                 return Promise.reject(e);
             });
     }
+
+    _loadConfig(opts) {
+        try {
+            return new Config(opts.configPath, this._path);
+        } catch (e) {
+            this._logError(e);
+            throw e;
+        }
+    }
+
+    _logError(error) {
+        logger.error(`Upload failed!`);
+        logger.error(error.message);
+        logger.error(error.stack);
+    }
 };
diff --git a/test/unit/docpub.js b/test/unit/docpub.js
index 7996d20..9d579a3 100644
--- a/test/unit/docpub.js
+++ b/test/unit/docpub.js
@@ -90,6 +90,14 @@ describe('Docpub', () => {
                 path.resolve('path/to/doc/dir')
             );
         });
+
+        it('should throw if failed to create config', () => {
+            const error = new Error('error');
+
+            Config.throws(error);
+
+            expect(() => new Docpub({path: 'foo/bar'})).to.throw(error);
+        });
     });
 
     describe('uploadCategory', () => {