diff --git a/Sources/SpyableMacro/Extensions/TypeSyntax+Extensions.swift b/Sources/SpyableMacro/Extensions/TypeSyntax+Extensions.swift
index 872e781..120fbc8 100644
--- a/Sources/SpyableMacro/Extensions/TypeSyntax+Extensions.swift
+++ b/Sources/SpyableMacro/Extensions/TypeSyntax+Extensions.swift
@@ -102,7 +102,7 @@ extension ArrayTypeSyntax: TypeSyntaxSupportingGenerics {
 }
 
 #if compiler(>=6.0)
-extension GenericArgumentClauseSyntax: @retroactive TypeSyntaxProtocol {}
+  extension GenericArgumentClauseSyntax: @retroactive TypeSyntaxProtocol {}
 #endif
 
 extension GenericArgumentClauseSyntax: TypeSyntaxSupportingGenerics {