diff --git a/src/plugin.js b/src/plugin.js
index 481e0d2..2d04f8f 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -87,6 +87,9 @@ export default postcss.plugin(
                     key = decl.params.replace(/["']/g, '');
                 }
 
+                // Webpack interop
+                key = key.replace(/^~/, '');
+
                 if (mapping.has(key)) {
                     // eslint-disable-next-line no-param-reassign
                     decl.params = `'${mapping.get(key)}'`;
diff --git a/tap-snapshots/test-plugin.js-TAP.test.js b/tap-snapshots/test-plugin.js-TAP.test.js
index 22e4c11..69fa89a 100644
--- a/tap-snapshots/test-plugin.js-TAP.test.js
+++ b/tap-snapshots/test-plugin.js-TAP.test.js
@@ -24,3 +24,12 @@ exports[`test/plugin.js TAP plugin() - simple module - should replace normalize.
   @import 'https://unpkg.com/normalize.css@8/normalize.css';
 
 `
+
+exports[`test/plugin.js TAP plugin() - webpack module - should replace normalize.css with CDN URL > webpack example 1`] = `
+
+  @import 'https://unpkg.com/normalize.css@8/normalize.css';
+  @import 'https://unpkg.com/normalize.css@8/normalize.css';
+  @import 'https://unpkg.com/normalize.css@8/normalize.css';
+  @import 'https://unpkg.com/normalize.css@8/normalize.css';
+
+`
diff --git a/test/plugin.js b/test/plugin.js
index 933da5a..a2d31b2 100644
--- a/test/plugin.js
+++ b/test/plugin.js
@@ -10,6 +10,12 @@ const advanced = `
   @import url("normalize.css");
   @import "normalize.css";
 `;
+const webpack = `
+  @import '~normalize.css';
+  @import url(~normalize.css);
+  @import url("~normalize.css");
+  @import "~normalize.css";
+`;
 
 /*
  * When running tests on Windows, the output code get some extra \r on each line.
@@ -66,6 +72,22 @@ tap.test(
     }
 );
 
+tap.test(
+    'plugin() - webpack module - should replace normalize.css with CDN URL',
+    async (t) => {
+        const { css } = await postcss(
+            plugin({
+                imports: {
+                    'normalize.css': 'https://unpkg.com/normalize.css@8/normalize.css',
+                },
+            })
+        ).process(webpack, { from: undefined });
+
+        t.matchSnapshot(clean(css), 'webpack example');
+        t.end();
+    }
+);
+
 tap.test(
     'plugin() - import values is an Array - should use the first entry in the Array',
     async (t) => {