diff --git a/types/gulp-jsonmin/gulp-jsonmin-tests.ts b/types/gulp-jsonmin/gulp-jsonmin-tests.ts
index 5c0cf66cc3..e13ec2c69f 100644
--- a/types/gulp-jsonmin/gulp-jsonmin-tests.ts
+++ b/types/gulp-jsonmin/gulp-jsonmin-tests.ts
@@ -1,5 +1,14 @@
-import * as GulpJsonmin from 'gulp-jsonmin';
+import gulp = require('gulp');
+import gulpJsonmin = require('gulp-jsonmin');
 
-GulpJsonmin();
-GulpJsonmin({});
-GulpJsonmin({ verbose: true });
+gulp.task('build', () => {
+    return gulp.src('*.json')
+        .pipe(gulpJsonmin())
+        .pipe(gulp.dest('dist'));
+});
+
+gulp.task('build', () => {
+    return gulp.src('*.json')
+        .pipe(gulpJsonmin({ verbose: true }))
+        .pipe(gulp.dest('dist'));
+});
diff --git a/types/gulp-jsonmin/index.d.ts b/types/gulp-jsonmin/index.d.ts
index 16a4347dd2..d5faa2b969 100644
--- a/types/gulp-jsonmin/index.d.ts
+++ b/types/gulp-jsonmin/index.d.ts
@@ -7,12 +7,12 @@
 
 import { Transform } from 'stream';
 
-declare function jsonmin(options?: jsonmin.Options): Transform;
+declare function gulpJsonmin(options?: gulpJsonmin.Options): Transform;
 
-declare namespace jsonmin {
+declare namespace gulpJsonmin {
     interface Options {
         verbose?: boolean;
     }
 }
 
-export = jsonmin;
+export = gulpJsonmin;