diff --git a/port/daemon/src/Makefile.in b/port/daemon/src/Makefile.in
index 0cf76c158..c9daabe3e 100644
--- a/port/daemon/src/Makefile.in
+++ b/port/daemon/src/Makefile.in
@@ -40,6 +40,7 @@ libBTstack_SOURCES =    \
 BTdaemon_SOURCES =      \
     daemon.c            \
     btstack_uart_posix.c \
+    btstack_uart_block_posix.c \
     hci_transport_h4_posix.c  \
     $(libBTstack_SOURCES) \
     btstack_memory.c    \