diff --git a/Makefile.am b/Makefile.am
index 5d7bc06..26e03b4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -160,6 +160,7 @@ gobex_sources = gobex/gobex.h gobex/gobex.c \
 
 builtin_modules =
 builtin_sources =
+builtin_cppflags =
 builtin_nodist =
 builtin_ldadd =
 
@@ -217,7 +218,8 @@ src_bluetoothd_DEPENDENCIES = lib/libbluetooth-internal.la \
 				src/bluetooth.service
 
 src_bluetoothd_CPPFLAGS = $(AM_CPPFLAGS) -DBLUETOOTH_PLUGIN_BUILTIN \
-					-DPLUGINDIR=\""$(build_plugindir)"\"
+					-DPLUGINDIR=\""$(build_plugindir)"\" \
+					$(builtin_cppflags)
 src_bluetoothd_SHORTNAME = bluetoothd
 
 builtin_files = src/builtin.h $(builtin_nodist)
diff --git a/Makefile.plugins b/Makefile.plugins
index 2aaeb74..47bf317 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -97,6 +97,7 @@ builtin_modules += midi
 builtin_sources += profiles/midi/midi.c \
 			profiles/midi/libmidi.h \
 			profiles/midi/libmidi.c
+builtin_cppflags += $(ALSA_CFLAGS)
 builtin_ldadd += $(ALSA_LIBS)
 endif