diff --git a/configure.in b/configure.in
index 83c239a..9b3b16e 100644
--- a/configure.in
+++ b/configure.in
@@ -9,7 +9,8 @@ AC_PREREQ(2.13)
 
 dnl Init autoconf and make sure configure is being called
 dnl from the right directory
-AC_INIT([include/portaudio.h])
+AC_INIT
+AC_CONFIG_SRCDIR([include/portaudio.h])
 
 dnl This is is for testing compilation on Mac OS
 PAMAC_TEST_PROGRAM="
diff --git a/bindings/cpp/configure.ac b/bindings/cpp/configure.ac
index 100656a..4d23266 100644
--- a/bindings/cpp/configure.ac
+++ b/bindings/cpp/configure.ac
@@ -14,7 +14,7 @@ m4_define([lt_age], [0])
 
 AC_INIT([PortAudioCpp], [12])
 AC_CONFIG_SRCDIR([include/portaudiocpp/PortAudioCpp.hxx])
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([subdir-objects])
 AM_MAINTAINER_MODE
 
 ###### Top-level directory of pacpp