diff --git a/src/utils.ts b/src/utils.ts
index 16d8b86..3bfcb9b 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -254,9 +254,7 @@ export function createAliases(
         return [];
     }
     return extensions.reduce((aliases: Alias[], extension) => {
-        const replacement = extension.path.endsWith("/")
-            ? extension.path
-            : extension.path + "/";
+        const replacement = extension.path.replace(/\/+$/g, "");
         if (config === "@" || config === true) {
             aliases.push({ find: "@" + extension.extensionKey, replacement });
         }
diff --git a/tests/integration/project/packages/test_extension/Resources/Private/Main.entry.ts b/tests/integration/project/packages/test_extension/Resources/Private/Main.entry.ts
index ba65d87..b7cbc1d 100644
--- a/tests/integration/project/packages/test_extension/Resources/Private/Main.entry.ts
+++ b/tests/integration/project/packages/test_extension/Resources/Private/Main.entry.ts
@@ -1,2 +1,2 @@
-import "./Css/Main.css";
-import "./JavaScript/Main.ts";
+import "EXT:test_extension/Resources/Private/Css/Main.css";
+import "EXT:test_extension/Resources/Private/JavaScript/Main.ts";
diff --git a/tests/unit/addAliases.test.ts b/tests/unit/addAliases.test.ts
index db33083..9f2f782 100644
--- a/tests/unit/addAliases.test.ts
+++ b/tests/unit/addAliases.test.ts
@@ -9,17 +9,17 @@ describe("addAliases", () => {
                 {
                     type: "typo3-cms-extension",
                     extensionKey: "test_extension",
-                    path: "/path/to/dummy/extension1",
+                    path: "/path/to/dummy/extension1/",
                 },
             ]),
         ).toEqual([
             {
                 find: "@test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
             {
                 find: "EXT:test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });
@@ -41,11 +41,11 @@ describe("addAliases", () => {
             { find: "@existing_find", replacement: "/path/to/replace/with/" },
             {
                 find: "@test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
             {
                 find: "EXT:test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });
@@ -78,7 +78,7 @@ describe("addAliases", () => {
                     {
                         type: "typo3-cms-extension",
                         extensionKey: "test_extension",
-                        path: "/path/to/dummy/extension1",
+                        path: "/path/to/dummy/extension1/",
                     },
                 ],
             ),
@@ -86,11 +86,11 @@ describe("addAliases", () => {
             { find: "@existing_find", replacement: "/path/to/replace/with/" },
             {
                 find: "@test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
             {
                 find: "EXT:test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });
@@ -100,17 +100,17 @@ describe("addAliases", () => {
                 {
                     type: "typo3-cms-extension",
                     extensionKey: "test_extension",
-                    path: "/path/to/dummy/extension1/",
+                    path: "/path/to/dummy/extension1//",
                 },
             ]),
         ).toEqual([
             {
                 find: "@test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
             {
                 find: "EXT:test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });
@@ -122,7 +122,7 @@ describe("addAliases", () => {
                     {
                         type: "typo3-cms-extension",
                         extensionKey: "test_extension",
-                        path: "/path/to/dummy/extension1",
+                        path: "/path/to/dummy/extension1/",
                     },
                 ],
                 false,
@@ -137,7 +137,7 @@ describe("addAliases", () => {
                     {
                         type: "typo3-cms-extension",
                         extensionKey: "test_extension",
-                        path: "/path/to/dummy/extension1",
+                        path: "/path/to/dummy/extension1/",
                     },
                 ],
                 "@",
@@ -145,7 +145,7 @@ describe("addAliases", () => {
         ).toEqual([
             {
                 find: "@test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });
@@ -157,7 +157,7 @@ describe("addAliases", () => {
                     {
                         type: "typo3-cms-extension",
                         extensionKey: "test_extension",
-                        path: "/path/to/dummy/extension1",
+                        path: "/path/to/dummy/extension1/",
                     },
                 ],
                 "EXT",
@@ -165,7 +165,7 @@ describe("addAliases", () => {
         ).toEqual([
             {
                 find: "EXT:test_extension",
-                replacement: "/path/to/dummy/extension1/",
+                replacement: "/path/to/dummy/extension1",
             },
         ]);
     });