diff --git a/schifra_crc.hpp b/schifra_crc.hpp
index 62b1073..9a28eb6 100644
--- a/schifra_crc.hpp
+++ b/schifra_crc.hpp
@@ -98,7 +98,7 @@ namespace schifra
 
       void initialize_crc32_table()
       {
-         for (std::size_t i = 0; i < 0xFF; ++i)
+         for (std::size_t i = 0; i <= 0xFF; ++i)
          {
             crc32_t reg = i;