diff --git a/configure.ac b/configure.ac
index b6912f70d..92ec28964 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2513,7 +2513,7 @@ AC_ARG_ENABLE([aes-bitsliced],
 
 if test "$ENABLED_AESBS" = "yes"
 then
-    AM_CFLAGS="$AM_CFLAGS -DWC_AES_BITSLICED -DHAVE_AES_ECB"
+    AM_CFLAGS="$AM_CFLAGS -DWC_AES_BITSLICED -DHAVE_AES_ECB -DWOLFSSL_AES_DIRECT"
 fi
 
 # SM4