diff --git a/lib/elf.rb b/lib/elf.rb
index 9a8588a..0ad5700 100644
--- a/lib/elf.rb
+++ b/lib/elf.rb
@@ -309,6 +309,7 @@ class Elf
             flag += (elf.sh[i].sh_flags & 4) > 0 ? "x" : "-"
 
             @sections[elf.sh[i].name_str.to_s]["offset"] = elf.sh[i].sh_addr.to_i
+            @sections[elf.sh[i].name_str.to_s]["size"] = elf.sh[i].sh_size.to_i
             @sections[elf.sh[i].name_str.to_s]["flag"] = flag
         end
     end