diff --git a/CASA-auth-token/server/AuthTokenValidate/idenTokenProviders/casa/identoken.c b/CASA-auth-token/server/AuthTokenValidate/idenTokenProviders/casa/identoken.c
index 064ca467..d69e18da 100644
--- a/CASA-auth-token/server/AuthTokenValidate/idenTokenProviders/casa/identoken.c
+++ b/CASA-auth-token/server/AuthTokenValidate/idenTokenProviders/casa/identoken.c
@@ -1232,7 +1232,7 @@ exit:
 CasaStatus
 GetIdenTokenInterface(
    IN       const char     *pTokenBuf,
-   IN       const size_t   tokenLen,
+   IN       const uint32_t tokenLen,
    INOUT    IdenTokenIf    **ppIdenTokenIf)
 //
 // Arguments: