1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index c8e98fb4ed..a95fb7e326 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -603,7 +603,7 @@ def check_sizeof(type, header = nil, &b)
   end
   message(a = size ? "#{size}\n" : "failed\n")
   Logging::message "-------------------- %s\n", a
-  r
+  size
 end
 
 def find_executable0(bin, path = nil)