1 files changed, 5 insertions, 5 deletions
diff --git a/tool/mkconfig.rb b/tool/mkconfig.rb
index c14d1ef715..63dbecb775 100755
--- a/tool/mkconfig.rb
+++ b/tool/mkconfig.rb
@@ -198,14 +198,14 @@ IO.foreach(File.join(srcdir, "version.h")) do |l|
   m = /^\s*#\s*define\s+RUBY_(PATCHLEVEL)\s+(-?\d+)/.match(l)
   if m
     versions[m[1]] = m[2]
-    break
+    break if versions.size == 4
+    next
   end
-end
-IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
-  m = /^\s*#\s*define\s+RUBY_API_VERSION_(MAJOR|MINOR|TEENY)\s+(-?\d+)/.match(l)
+  m = /^\s*#\s*define\s+RUBY_VERSION\s+\W?([.\d]+)/.match(l)
   if m
-    versions[m[1]] = m[2]
+    versions['MAJOR'], versions['MINOR'], versions['TEENY'] = m[1].split('.')
     break if versions.size == 4
+    next
   end
 end
 %w[MAJOR MINOR TEENY PATCHLEVEL].each do |v|