diff --git a/Mk/bsd.ruby.mk b/Mk/bsd.ruby.mk
index 36faf724d7d3..d042eca1a7fd 100644
--- a/Mk/bsd.ruby.mk
+++ b/Mk/bsd.ruby.mk
@@ -152,14 +152,14 @@ RUBY_VER?=		${RUBY_DEFAULT_VER}
 IGNORE=	cannot install: you set the variable RUBY to "${RUBY}", but it does not seem to exist.  Please specify an already installed ruby executable.
 .endif
 
-_RUBY_TEST!=		${RUBY} -e 'begin; require "rbconfig"; rescue LoadError; puts "error"; end'
-.if !empty(_RUBY_TEST)
+_RUBY_TEST!=		${RUBY} -e 'begin; require "rbconfig"; puts "ok" ; rescue LoadError; puts "error"; end'
+.if !empty(_RUBY_TEST) && ${_RUBY_TEST} != "ok"
 IGNORE=	cannot install: you set the variable RUBY to "${RUBY}", but it failed to include rbconfig.  Please specify a properly installed ruby executable.
 .endif
 
-_RUBY_CONFIG=		${RUBY} -r rbconfig -e 'C = Config::CONFIG' -e
+_RUBY_CONFIG=		${RUBY} -r rbconfig -e 'C = RbConfig::CONFIG' -e
 
-RUBY_VERSION!=		${_RUBY_CONFIG} 'puts VERSION'
+RUBY_VERSION!=		${_RUBY_CONFIG} 'puts C["ruby_version"]'
 RUBY_SUFFIX?=		# empty
 
 RUBY_ARCH!=		${_RUBY_CONFIG} 'puts C["target"]'