diff --git a/Sources/FoundationEssentials/AttributedString/AttributedString+Runs+AttributeSlices.swift b/Sources/FoundationEssentials/AttributedString/AttributedString+Runs+AttributeSlices.swift
index 1cd2760fc..51bf5e4bb 100644
--- a/Sources/FoundationEssentials/AttributedString/AttributedString+Runs+AttributeSlices.swift
+++ b/Sources/FoundationEssentials/AttributedString/AttributedString+Runs+AttributeSlices.swift
@@ -780,9 +780,9 @@ extension AttributedString.Runs {
             AttributeContainer(storage.filterWithoutInvalidatingDependents { _names.contains($0.key) })
         }
     }
-
+    
     @_spi(AttributedString)
-    public subscript(nsAttributedStringKeys keys: NSAttributedString.Key...) -> NSAttributesSlice {
+    public subscript(nsAttributedStringKeys keys: [NSAttributedString.Key]) -> NSAttributesSlice {
         return NSAttributesSlice(runs: self, names: keys.map { $0.rawValue })
     }
 }
diff --git a/Tests/FoundationEssentialsTests/AttributedString/AttributedStringTests.swift b/Tests/FoundationEssentialsTests/AttributedString/AttributedStringTests.swift
index eee328db6..ea2d75aca 100644
--- a/Tests/FoundationEssentialsTests/AttributedString/AttributedStringTests.swift
+++ b/Tests/FoundationEssentialsTests/AttributedString/AttributedStringTests.swift
@@ -200,16 +200,16 @@ final class TestAttributedString: XCTestCase {
 
         let middleRange = attrStr.characters.index(attrStr.startIndex, offsetBy: 3) ..< attrStr.characters.index(attrStr.endIndex, offsetBy: -3)
         let view = attrStr[middleRange].runs
-        verifyAttributes(view[nsAttributedStringKeys: .testInt], string: attrStr, expectation: [("lo", .init().testInt(1)), (" Wo", .init())])
-        verifyAttributes(view[nsAttributedStringKeys: .testDouble], string: attrStr, expectation: [("lo ", .init()), ("Wo", .init().testDouble(2.0))])
-        verifyAttributes(view[nsAttributedStringKeys: .testString], string: attrStr, expectation: [("lo Wo", .init())])
-        verifyAttributes(view[nsAttributedStringKeys: .testInt, .testDouble], string: attrStr, expectation: [("lo", .init().testInt(1)), (" ", .init()), ("Wo", .init().testDouble(2.0))])
+        verifyAttributes(view[nsAttributedStringKeys: [.testInt]], string: attrStr, expectation: [("lo", .init().testInt(1)), (" Wo", .init())])
+        verifyAttributes(view[nsAttributedStringKeys: [.testDouble]], string: attrStr, expectation: [("lo ", .init()), ("Wo", .init().testDouble(2.0))])
+        verifyAttributes(view[nsAttributedStringKeys: [.testString]], string: attrStr, expectation: [("lo Wo", .init())])
+        verifyAttributes(view[nsAttributedStringKeys: [.testInt, .testDouble]], string: attrStr, expectation: [("lo", .init().testInt(1)), (" ", .init()), ("Wo", .init().testDouble(2.0))])
         
         attrStr[middleRange].testString = "Test"
-        verifyAttributes(attrStr.runs[nsAttributedStringKeys: .testInt], string: attrStr, expectation: [("Hello", .init().testInt(1)), (" World", .init())])
-        verifyAttributes(attrStr.runs[nsAttributedStringKeys: .testDouble], string: attrStr, expectation: [("Hello ", .init()), ("World", .init().testDouble(2.0))])
-        verifyAttributes(attrStr.runs[nsAttributedStringKeys: .testString], string: attrStr, expectation: [("Hel", .init()), ("lo Wo", .init().testString("Test")), ("rld", .init())])
-        verifyAttributes(attrStr.runs[nsAttributedStringKeys: .testInt, .testDouble, .testString], string: attrStr, expectation: [
+        verifyAttributes(attrStr.runs[nsAttributedStringKeys: [.testInt]], string: attrStr, expectation: [("Hello", .init().testInt(1)), (" World", .init())])
+        verifyAttributes(attrStr.runs[nsAttributedStringKeys: [.testDouble]], string: attrStr, expectation: [("Hello ", .init()), ("World", .init().testDouble(2.0))])
+        verifyAttributes(attrStr.runs[nsAttributedStringKeys: [.testString]], string: attrStr, expectation: [("Hel", .init()), ("lo Wo", .init().testString("Test")), ("rld", .init())])
+        verifyAttributes(attrStr.runs[nsAttributedStringKeys: [.testInt, .testDouble, .testString]], string: attrStr, expectation: [
             ("Hel", .init().testInt(1)),
             ("lo", .init().testInt(1).testString("Test")),
             (" ", .init().testString("Test")),