diff --git a/vaadin-testbench-unit-junit5/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt b/vaadin-testbench-unit-junit5/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
index f1eb6cf9b..011b35546 100644
--- a/vaadin-testbench-unit-junit5/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
+++ b/vaadin-testbench-unit-junit5/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
@@ -95,7 +95,7 @@ fun DynaNodeGroup.routesTestBatch() {
         expect(MockRouteNotFoundError::class.java) {
             view::class.java
         }
-        expectThrows(NotFoundException::class, "No route found for 'A_VIEW_THAT_DOESNT_EXIST'\nAvailable routes:") {
+        expectThrows(NotFoundException::class, "No route found for 'A_VIEW_THAT_DOESNT_EXIST': Couldn't find route for 'A_VIEW_THAT_DOESNT_EXIST'\nAvailable routes:") {
             throw (view as MockRouteNotFoundError).cause!!
         }
         expect(true) {
diff --git a/vaadin-testbench-unit/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt b/vaadin-testbench-unit/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
index 49fa8f977..4b8fe34e7 100644
--- a/vaadin-testbench-unit/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
+++ b/vaadin-testbench-unit/src/test/kotlin/com/vaadin/testbench/unit/internal/RoutesTest.kt
@@ -94,7 +94,7 @@ fun DynaNodeGroup.routesTestBatch() {
         expect(MockRouteNotFoundError::class.java) {
             view::class.java
         }
-        expectThrows(NotFoundException::class, "No route found for 'A_VIEW_THAT_DOESNT_EXIST'\nAvailable routes:") {
+        expectThrows(NotFoundException::class, "No route found for 'A_VIEW_THAT_DOESNT_EXIST': Couldn't find route for 'A_VIEW_THAT_DOESNT_EXIST'\nAvailable routes:") {
             throw (view as MockRouteNotFoundError).cause!!
         }
         expect(true) {