diff --git a/configure.ac b/configure.ac
index beef9df3..6e96a011 100644
--- a/configure.ac
+++ b/configure.ac
@@ -480,6 +480,7 @@ dnl AC_C_RESTRICT
 AC_HEADER_STDBOOL
 
 AC_TYPE_UINT8_T
+AC_TYPE_UINT16_T
 AC_TYPE_INT32_T
 AC_TYPE_UINT32_T
 AC_TYPE_INT64_T