diff --git a/configure.ac b/configure.ac
index 9f8152115..ae12f7287 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8013,7 +8013,7 @@ then
     AM_CFLAGS="$AM_CFLAGS -DNO_OLD_MD5_NAME"
 fi
 
-if test "$ENABLED_WOLFENGINE" = "yes" && test "$ENABLED_FIPS" != "v2"
+if test "$ENABLED_WOLFENGINE" = "yes" && test "$FIPS_VERSION" != "v2"
 then
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_PSS_LONG_SALT"
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_PSS_SALT_LEN_DISCOVER"