diff --git a/configure.ac b/configure.ac
index a27e28d79d..720d31453b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4610,13 +4610,12 @@ AS_HELP_STRING([--disable-httpsig],[Disable HTTP Message Signatures support (exp
     want_httpsig="no"
 )
 
-if test "$want_httpsig" = "yes"; then
-  if test "$OPENSSL_ENABLED" = "1" || test "$WOLFSSL_ENABLED" = "1"; then
-    AC_MSG_WARN([HTTPSIG requires OpenSSL or wolfSSL. HTTPSIG support disabled.])
-  else
-    AC_DEFINE(CURL_DISABLE_HTTPSIG, 1, [to disable HTTP Message Signatures support])
-    want_httpsig="no"
-  fi
+if test "$want_httpsig" = "yes" && test "$OPENSSL_ENABLED" != "1" && test "$WOLFSSL_ENABLED" = "1"; then
+  AC_MSG_WARN([HTTPSIG requires OpenSSL or wolfSSL. HTTPSIG support disabled.])
+  want_httpsig="no"
+fi
+if test "$want_httpsig" != "yes"; then
+  AC_DEFINE(CURL_DISABLE_HTTPSIG, 1, [to disable HTTP Message Signatures support])
 fi
 
 dnl ************************************************************