diff --git a/Makefile.tools b/Makefile.tools
index 7ffdbc6..55c622f 100644
--- a/Makefile.tools
+++ b/Makefile.tools
@@ -46,6 +46,8 @@ noinst_PROGRAMS += emulator/btvirt emulator/b1ee emulator/hfp tools/3dsp \
 
 emulator_btvirt_SOURCES = emulator/main.c monitor/bt.h \
 				monitor/mainloop.h monitor/mainloop.c \
+				src/shared/timeout.h \
+				src/shared/timeout-mainloop.c \
 				src/shared/util.h src/shared/util.c \
 				src/shared/crypto.h src/shared/crypto.c \
 				emulator/server.h emulator/server.c \