diff --git a/src/test/components/imprint.spec.tsx b/src/test/components/imprint.spec.tsx
index b3e8452..003671c 100644
--- a/src/test/components/imprint.spec.tsx
+++ b/src/test/components/imprint.spec.tsx
@@ -36,10 +36,13 @@ describe("imprint.tsx", () => {
     // @ts-ignore
     delete window.location;
 
-    window.location = {
-      ...location,
-      reload: jest.fn(),
-    };
+    Object.defineProperty(window, "location", {
+      configurable: true,
+      value: {
+        ...window.location,
+        reload: jest.fn(),
+      },
+    });
   });
 
   it("Tests Imprint", () => {
diff --git a/src/test/components/searchBar.spec.tsx b/src/test/components/searchBar.spec.tsx
index 3c59f80..1eb2fb4 100644
--- a/src/test/components/searchBar.spec.tsx
+++ b/src/test/components/searchBar.spec.tsx
@@ -48,10 +48,13 @@ describe("searchBar.tsx", () => {
     // @ts-ignore
     delete window.location;
 
-    window.location = {
-      ...location,
-      reload: jest.fn(),
-    };
+    Object.defineProperty(window, "location", {
+      configurable: true,
+      value: {
+        ...window.location,
+        reload: jest.fn(),
+      },
+    });
   });
 
   it("Tests SearchBar rendering with properties", () => {
diff --git a/src/test/components/settings.spec.tsx b/src/test/components/settings.spec.tsx
index 56dd8dd..4847a18 100644
--- a/src/test/components/settings.spec.tsx
+++ b/src/test/components/settings.spec.tsx
@@ -78,10 +78,13 @@ describe("settings.tsx", () => {
     // @ts-ignore
     delete window.location;
 
-    window.location = {
-      ...location,
-      reload: jest.fn(),
-    };
+    Object.defineProperty(window, "location", {
+      configurable: true,
+      value: {
+        ...window.location,
+        reload: jest.fn(),
+      },
+    });
   });
 
   it("Tests forms", () => {
diff --git a/src/test/lib/useTheme.spec.tsx b/src/test/lib/useTheme.spec.tsx
index 250dea4..651fa58 100644
--- a/src/test/lib/useTheme.spec.tsx
+++ b/src/test/lib/useTheme.spec.tsx
@@ -21,10 +21,13 @@ const setup = () => {
   // @ts-ignore
   delete window.location;
 
-  window.location = {
-    ...location,
-    reload: jest.fn(),
-  };
+  Object.defineProperty(window, "location", {
+    configurable: true,
+    value: {
+      ...window.location,
+      reload: jest.fn(),
+    },
+  });
 };
 
 describe("theme.tsx", () => {