diff --git a/configure.ac b/configure.ac
index bc6433873..a9a913b2c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2038,8 +2038,9 @@ CURL_CHECK_STRUCT_TIMEVAL
 CURL_VERIFY_RUNTIMELIBS
 
 AC_CHECK_SIZEOF(size_t)
-AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(short)
 CURL_CONFIGURE_LONG
 AC_CHECK_SIZEOF(time_t)
 AC_CHECK_SIZEOF(off_t)