diff --git a/meta/recipes-devtools/ruby/ruby_3.3.5.bb b/meta/recipes-devtools/ruby/ruby_3.3.5.bb
index 5a7b8137aa..c5609893ca 100644
--- a/meta/recipes-devtools/ruby/ruby_3.3.5.bb
+++ b/meta/recipes-devtools/ruby/ruby_3.3.5.bb
@@ -99,7 +99,7 @@ do_install:append:class-target () {
 
 do_install_ptest () {
     cp -rf ${S}/test ${D}${PTEST_PATH}/
-
+    install -D ${S}/tool/test/init.rb ${D}${PTEST_PATH}/tool/test/init.rb
     install -D ${S}/tool/test/runner.rb ${D}${PTEST_PATH}/tool/test/runner.rb
     cp -r ${S}/tool/lib ${D}${PTEST_PATH}/tool/
     mkdir -p ${D}${PTEST_PATH}/lib