diff --git a/types/debug/debug-tests.ts b/types/debug/debug-tests.ts
index 22ac083a14..b1356f08f9 100644
--- a/types/debug/debug-tests.ts
+++ b/types/debug/debug-tests.ts
@@ -1,24 +1,31 @@
-import debug = require("debug");
+import * as debug1 from "debug";
 
-debug.disable();
-debug.enable("DefinitelyTyped:*");
+import debug2 from 'debug';
 
-const log: debug.Debugger = debug("DefinitelyTyped:log");
+const log2:debug1.Debugger = debug2("DefinitelyTyped:log");
+log2("Just text");
+log2("Formatted test (%d arg)", 1);
+log2("Formatted %s (%d args)", "test", 2);
+
+debug1.disable();
+debug1.enable("DefinitelyTyped:*");
+
+const log: debug1.Debugger = debug1("DefinitelyTyped:log");
 
 log("Just text");
 log("Formatted test (%d arg)", 1);
 log("Formatted %s (%d args)", "test", 2);
 
-log("Enabled?: %s", debug.enabled("DefinitelyTyped:log"));
-log("Name Enabled: %s", debug.names.some(name => name.test("DefinitelyTyped:log")));
+log("Enabled?: %s", debug1.enabled("DefinitelyTyped:log"));
+log("Name Enabled: %s", debug1.names.some(name => name.test("DefinitelyTyped:log")));
 log("Namespace: %s", log.namespace);
 
-const error: debug.Debugger = debug("DefinitelyTyped:error");
+const error: debug1.Debugger = debug1("DefinitelyTyped:error");
 error.log = console.error.bind(console);
 error("This should be printed to stderr");
 
-const extendedLog: debug.Debugger = log.extend('extended');
+const extendedLog: debug1.Debugger = log.extend('extended');
 extendedLog("Testing this is also an IDebugger.");
 
-const extendedWithCustomDelimiter: debug.Debugger = log.extend('with-delim', '.');
+const extendedWithCustomDelimiter: debug1.Debugger = log.extend('with-delim', '.');
 extendedWithCustomDelimiter("Testing this is an IDebugger, too.");