diff --git a/api/src/main/kotlin/com/wbrawner/twigs/UserRoutes.kt b/api/src/main/kotlin/com/wbrawner/twigs/UserRoutes.kt
index db84fc0..31c01f8 100644
--- a/api/src/main/kotlin/com/wbrawner/twigs/UserRoutes.kt
+++ b/api/src/main/kotlin/com/wbrawner/twigs/UserRoutes.kt
@@ -126,7 +126,7 @@ fun Application.userRoutes(
                 delete("/{id}") {
                     val session = call.principal<Session>()!!
                     // TODO: Add some kind of admin denotation to allow admins to delete other users
-                    val user = userRepository.findAll(call.parameters.getAll("íd")!!).firstOrNull()
+                    val user = userRepository.findAll(call.parameters.entries().first().value).firstOrNull()
                     if (user == null) {
                         errorResponse()
                         return@delete
diff --git a/app/src/main/kotlin/com/wbrawner/twigs/server/Application.kt b/app/src/main/kotlin/com/wbrawner/twigs/server/Application.kt
index b930a6e..727d7a3 100644
--- a/app/src/main/kotlin/com/wbrawner/twigs/server/Application.kt
+++ b/app/src/main/kotlin/com/wbrawner/twigs/server/Application.kt
@@ -16,6 +16,7 @@ import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
+import kotlinx.serialization.json.Json
 import kotlin.time.Duration
 import kotlin.time.ExperimentalTime
 
@@ -95,7 +96,15 @@ fun Application.moduleWithDependencies(
         }
     }
     install(ContentNegotiation) {
-        json()
+        json(json = Json {
+            ignoreUnknownKeys = true
+            encodeDefaults = true
+            isLenient = true
+            allowSpecialFloatingPointValues = true
+            allowStructuredMapKeys = true
+            prettyPrint = false
+            useArrayPolymorphism = true
+        })
     }
     budgetRoutes(budgetRepository, permissionRepository)
     categoryRoutes(categoryRepository, permissionRepository)