diff --git a/Sources/JSONAPI/Document/ResourceBody.swift b/Sources/JSONAPI/Document/ResourceBody.swift
index 5aad51e..b6c79d7 100644
--- a/Sources/JSONAPI/Document/ResourceBody.swift
+++ b/Sources/JSONAPI/Document/ResourceBody.swift
@@ -18,7 +18,7 @@ public struct SingleResourceBody<Entity: JSONAPI.PrimaryResource>: ResourceBody
 	}
 }
 
-public struct ManyResourceBody<Entity: JSONAPI.EntityType>: ResourceBody {
+public struct ManyResourceBody<Entity: JSONAPI.PrimaryResource>: ResourceBody {
 	public let values: [Entity]
 
 	public init(entities: [Entity]) {