diff --git a/Sources/SociableWeaver/Protocols/Argument.swift b/Sources/SociableWeaver/Protocols/Argument.swift
index a1aaede..4a88b2a 100644
--- a/Sources/SociableWeaver/Protocols/Argument.swift
+++ b/Sources/SociableWeaver/Protocols/Argument.swift
@@ -84,6 +84,8 @@ extension Array: ArgumentValueRepresentable {
                 return value.argumentValue
             } else if let value = value as? Dictionary<String, Any> {
                 return value.argumentValue
+            } else  if let value = value as? ArgumentValueRepresentable {
+                return value.argumentValue
             }
 
             return ""
@@ -113,6 +115,8 @@ extension Dictionary: ArgumentValueRepresentable {
                     return value.argumentValue
                 } else if let value = value as? Dictionary<String, Any> {
                     return value.argumentValue
+                } else  if let value = value as? ArgumentValueRepresentable {
+                    return value.argumentValue
                 } else if let _ = value as? NSNull {
                     return "null"
                 }
diff --git a/Tests/SociableWeaverTests/SociableWeaverGeneralTests.swift b/Tests/SociableWeaverTests/SociableWeaverGeneralTests.swift
index d974606..e2529d0 100644
--- a/Tests/SociableWeaverTests/SociableWeaverGeneralTests.swift
+++ b/Tests/SociableWeaverTests/SociableWeaverGeneralTests.swift
@@ -182,6 +182,30 @@ final class SociableWeaverGeneralTests: XCTestCase {
         XCTAssertEqual(String(describing: query), expected)
     }
 
+    func testOperationWithCustomEnumArray() {
+        enum PostCategories: EnumValueRepresentable {
+            case art
+            case music
+            case technology
+        }
+
+        let query = Weave(.query) {
+            Object(Post.self) {
+                Field(Post.CodingKeys.title)
+                Field(Post.CodingKeys.content)
+
+                Object(Post.CodingKeys.author) {
+                    Field(Author.CodingKeys.id)
+                    Field(Author.CodingKeys.name)
+                }
+            }
+            .argument(key: "category", value: [PostCategories.art, PostCategories.music, PostCategories.technology])
+        }
+
+        let expected = "query { post(category: [ART, MUSIC, TECHNOLOGY]) { title content author { id name } } }"
+        XCTAssertEqual(String(describing: query), expected)
+    }
+
     static var allTests = [
         ("testOperationWithArguments", testOperationWithArguments),
         ("testOperationWithFragment", testOperationWithFragment),