diff --git a/Makefile.am b/Makefile.am
index 94c8c49..ffb1601 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,6 +3,8 @@ if MAKE_DOC
 SUBDIRS += doc
 endif
 
+AM_CXXFLAGS = @visibility@
+
 lib_LTLIBRARIES = %D%/librtaudio.la
 %C%_librtaudio_la_LDFLAGS = -no-undefined -export-dynamic -version-info @SO_VERSION@
 %C%_librtaudio_la_SOURCES = \
diff --git a/configure.ac b/configure.ac
index f66c9d4..893a71a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,7 @@ SO_VERSION=lt_version_info
 AC_SUBST(SO_VERSION)
 AC_SUBST(api)
 AC_SUBST(req)
+AC_SUBST(visibility)
 
 api=""
 req=""