diff --git a/OneSignalSDK/onesignal/core/src/main/java/com/onesignal/user/internal/operations/impl/executors/LoginUserOperationExecutor.kt b/OneSignalSDK/onesignal/core/src/main/java/com/onesignal/user/internal/operations/impl/executors/LoginUserOperationExecutor.kt
index 46968b3e71..b9c39902e1 100644
--- a/OneSignalSDK/onesignal/core/src/main/java/com/onesignal/user/internal/operations/impl/executors/LoginUserOperationExecutor.kt
+++ b/OneSignalSDK/onesignal/core/src/main/java/com/onesignal/user/internal/operations/impl/executors/LoginUserOperationExecutor.kt
@@ -237,6 +237,8 @@ internal class LoginUserOperationExecutor(
                     ExecutionResponse(ExecutionResult.FAIL_RETRY, retryAfterSeconds = ex.retryAfterSeconds)
                 NetworkUtils.ResponseStatusType.UNAUTHORIZED ->
                     ExecutionResponse(ExecutionResult.FAIL_UNAUTHORIZED, retryAfterSeconds = ex.retryAfterSeconds)
+                NetworkUtils.ResponseStatusType.INVALID ->
+                    ExecutionResponse(ExecutionResult.FAIL_NORETRY)
                 else ->
                     ExecutionResponse(ExecutionResult.FAIL_PAUSE_OPREPO)
             }
diff --git a/OneSignalSDK/onesignal/core/src/test/java/com/onesignal/user/internal/operations/LoginUserOperationExecutorTests.kt b/OneSignalSDK/onesignal/core/src/test/java/com/onesignal/user/internal/operations/LoginUserOperationExecutorTests.kt
index d80dc5531a..ec49d8bad4 100644
--- a/OneSignalSDK/onesignal/core/src/test/java/com/onesignal/user/internal/operations/LoginUserOperationExecutorTests.kt
+++ b/OneSignalSDK/onesignal/core/src/test/java/com/onesignal/user/internal/operations/LoginUserOperationExecutorTests.kt
@@ -136,7 +136,7 @@ class LoginUserOperationExecutorTests : FunSpec({
         coVerify(exactly = 1) { mockUserBackendService.createUser(appId, mapOf(), any(), any()) }
     }
 
-    test("login anonymous user fails with no retry when backend error condition exists") {
+    test("login anonymous user fails with no retry when hit with backend error 404") {
         // Given
         val mockUserBackendService = mockk<IUserBackendService>()
         coEvery { mockUserBackendService.createUser(any(), any(), any(), any()) } throws BackendException(404, "NOT FOUND")
@@ -163,6 +163,33 @@ class LoginUserOperationExecutorTests : FunSpec({
         coVerify(exactly = 1) { mockUserBackendService.createUser(appId, mapOf(), any(), any()) }
     }
 
+    test("login anonymous user fails with no retry when hit with backend error 400") {
+        // Given
+        val mockUserBackendService = mockk<IUserBackendService>()
+        coEvery { mockUserBackendService.createUser(any(), any(), any(), any()) } throws BackendException(400, "INVALID")
+
+        val mockIdentityOperationExecutor = mockk<IdentityOperationExecutor>()
+
+        val mockIdentityModelStore = MockHelper.identityModelStore()
+        val mockPropertiesModelStore = MockHelper.propertiesModelStore()
+        val mockSubscriptionsModelStore = mockk<SubscriptionModelStore>()
+
+        val loginUserOperationExecutor =
+            LoginUserOperationExecutor(mockIdentityOperationExecutor, AndroidMockHelper.applicationService(), MockHelper.deviceService(), mockUserBackendService, mockIdentityModelStore, mockPropertiesModelStore, mockSubscriptionsModelStore, MockHelper.configModelStore(), MockHelper.languageContext())
+        val operations =
+            listOf<Operation>(
+                LoginUserOperation(appId, localOneSignalId, null, null),
+                createSubscriptionOperation,
+            )
+
+        // When
+        val response = loginUserOperationExecutor.execute(operations)
+
+        // Then
+        response.result shouldBe ExecutionResult.FAIL_NORETRY
+        coVerify(exactly = 1) { mockUserBackendService.createUser(appId, mapOf(), any(), any()) }
+    }
+
     test("login identified user without association successfully creates user") {
         // Given
         val mockUserBackendService = mockk<IUserBackendService>()