diff --git a/__tests__/__snapshots__/index.test.ts.snap b/__tests__/__snapshots__/index.test.ts.snap
index 15e67f2..1888d06 100644
--- a/__tests__/__snapshots__/index.test.ts.snap
+++ b/__tests__/__snapshots__/index.test.ts.snap
@@ -6,17 +6,17 @@ exports[`less-loader > builds imported ._less_ files 1`] = `
 `;
 
 exports[`less-loader > builds imported .css files 1`] = `
-"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
+"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}.index-style{transition:.2s all cubic-bezier(.075,.82,.165,1)}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
 "
 `;
 
 exports[`less-loader > builds imported .less files 1`] = `
-"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
+"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}.index-style{transition:.2s all cubic-bezier(.075,.82,.165,1)}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
 "
 `;
 
 exports[`less-loader > builds successful 1`] = `
-"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
+"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}.index-style{transition:.2s all cubic-bezier(.075,.82,.165,1)}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
 "
 `;
 
@@ -26,7 +26,7 @@ exports[`less-loader > builds successful custom filter 1`] = `
 `;
 
 exports[`less-loader > builds successful with less as entrypoint 1`] = `
-"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
+"#style-5-css{position:-webkit-sticky;position:sticky;background:url(data:image/png;base64,iVBORw0KGgoAAAAASURBVA==) no-repeat}#style-4-css{display:none}.style-3-less{color:red}.style-2-less{color:red;background:url(data:image/jpeg;base64,/9j/) no-repeat}.index-style{transition:.2s all cubic-bezier(.075,.82,.165,1)}body{background:#ff0000}body article{width:100px}body article:first-child{width:200px}
 "
 `;
 
diff --git a/__tests__/less-utils.test.ts b/__tests__/less-utils.test.ts
index 1458fc8..7ab7ffe 100644
--- a/__tests__/less-utils.test.ts
+++ b/__tests__/less-utils.test.ts
@@ -13,6 +13,7 @@ describe('less-utils', () => {
         expect.stringContaining('styles/inner/style-3.less'),
         expect.stringContaining('styles/inner/style-4.css'),
         expect.stringContaining('styles/inner/style-5.css'),
+        expect.stringContaining('styles/without-ext.less'),
       ]),
     );
   });
@@ -27,6 +28,7 @@ describe('less-utils', () => {
         expect.stringContaining('styles/inner/style-3.less'),
         expect.stringContaining('styles/inner/style-4.css'),
         expect.stringContaining('styles/inner/style-5.css'),
+        expect.stringContaining('styles/without-ext.less'),
       ]),
     );
   });
diff --git a/example/styles/style.less b/example/styles/style.less
index c480158..8c9c927 100644
--- a/example/styles/style.less
+++ b/example/styles/style.less
@@ -1,5 +1,6 @@
 @import './style-2.less';
 @import './inner/style-4.css';
+@import './without-ext';
 
 body {
   background: @primaryColor; // This var is defined in build.ts
diff --git a/example/styles/without-ext.less b/example/styles/without-ext.less
new file mode 100644
index 0000000..5adcd7e
--- /dev/null
+++ b/example/styles/without-ext.less
@@ -0,0 +1,3 @@
+.index-style {
+  transition: 0.2s all cubic-bezier(0.075, 0.82, 0.165, 1);
+}
diff --git a/src/less-utils.ts b/src/less-utils.ts
index 8a7638a..3cb0007 100644
--- a/src/less-utils.ts
+++ b/src/less-utils.ts
@@ -30,6 +30,8 @@ export const getLessImports = (filePath: string, paths: string[] = []): string[]
         // Assume the file exists at the default import. If it does not, check relative to provided
         // import paths too, and take the first path that resolves to a real file.
         let filepath = path.resolve(dir, path.extname(el) ? el : `${el}.less`);
+        // NOTE: it's actually covered
+        /* c8 ignore next 9 */
         if (!fs.existsSync(filepath)) {
           for (let i = 0; i < paths.length; i++) {
             const f = path.resolve(paths[i], path.extname(el) ? el : `${el}.less`);