diff --git a/inc/ECSS_Definitions.hpp b/inc/ECSS_Definitions.hpp
index e9b97e010b22869ae9d5066afcf113e6302ce16f..0e49823c31d394295f1cfa507d873ed1997a1611 100644
--- a/inc/ECSS_Definitions.hpp
+++ b/inc/ECSS_Definitions.hpp
@@ -157,7 +157,7 @@ inline const uint16_t LoggerMaxMessageSize = 512;
 /**
  * @brief Size of the map holding references to each Parameter object for the ST[20] parameter service
  */
-inline const uint8_t ECSSParameterCount = 500;
+inline const uint16_t ECSSParameterCount = 500;
 
 /**
  * @brief Defines whether the optional CRC field is included