diff --git a/lib/bootsnap/compile_cache.rb b/lib/bootsnap/compile_cache.rb
index 0c27c2fd..e3b8842d 100644
--- a/lib/bootsnap/compile_cache.rb
+++ b/lib/bootsnap/compile_cache.rb
@@ -28,7 +28,7 @@ def self.setup(cache_dir:, iseq:, yaml:, json:)
           require_relative('compile_cache/json')
           Bootsnap::CompileCache::JSON.install!(cache_dir)
         elsif $VERBOSE
-          warn("[bootsnap/setup] YAML parsing caching is not supported on this implementation of Ruby")
+          warn("[bootsnap/setup] JSON parsing caching is not supported on this implementation of Ruby")
         end
       end
     end