diff --git a/configure.ac b/configure.ac
index 222fcd620..457843860 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4762,7 +4762,7 @@ else
     fi
     if test "$ENABLED_ASN" = "yes"; then
         AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_ASN_TEMPLATE"
-    elif test "$ENABLED_ASN" == "original"; then
+    elif test "$ENABLED_ASN" = "original"; then
         AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_ASN_ORIGINAL"
     else
         AC_MSG_ERROR([Invalid asn option. Valid are: template or original. Seen: $ENABLED_ASN.])