--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@
 AC_PREREQ([2.53])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/ekiga.cpp)
-AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar])
+AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar subdir-objects])
 
 AM_MAINTAINER_MODE([enable])
 AC_CONFIG_HEADERS([config.h])