diff --git a/tests/Makefile b/tests/Makefile
index a061677..c20e1b3 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -4,6 +4,8 @@ HOSTCC = cc
 CFLAGS = -std=c99 -Wall -Wextra -O2 -g -I.. -I../cutest
 FT_CFLAGS = $(shell pkg-config --cflags freetype2)
 FT_LIBS = $(shell pkg-config --libs freetype2)
+DBUS_CFLAGS = $(shell pkg-config --cflags dbus-1)
+DBUS_LIBS = $(shell pkg-config --libs dbus-1)
 IBUS_CFLAGS = $(shell pkg-config --cflags dbus-1 xkbcommon)
 IBUS_LIBS = $(shell pkg-config --libs dbus-1 xkbcommon)
 LIBS = -lthread -lbio $(FT_LIBS) $(IBUS_LIBS)
@@ -34,21 +36,21 @@ $(PROG): $(OBJS)
 	$(LD) -o $@ $(OBJS) $(LIBS)
 
 ibus_live_test: ibus_live_test.c
-	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g $(IBUS_CFLAGS) -o $@ $< $(IBUS_LIBS)
+	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g $(DBUS_CFLAGS) -o $@ $< $(DBUS_LIBS)
 
 ipc_live_test: ipc_live_test.c ../ipc.c ../ipc.h
 	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -I.. -o $@ ipc_live_test.c ../ipc.c
 
 daemon_collision_test: daemon_collision_test.c ../ipc.c ../ipc.h
-	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -I.. $(IBUS_CFLAGS) -o $@ \
-		daemon_collision_test.c ../ipc.c $(IBUS_LIBS)
+	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -I.. $(DBUS_CFLAGS) -o $@ \
+		daemon_collision_test.c ../ipc.c $(DBUS_LIBS)
 
 daemon_failure_test: daemon_failure_test.c
 	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -o $@ $<
 
 daemon_restart_test: daemon_restart_test.c ../ipc.c ../ipc.h
-	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -I.. $(IBUS_CFLAGS) -o $@ \
-		daemon_restart_test.c ../ipc.c $(IBUS_LIBS)
+	$(HOSTCC) -std=c99 -Wall -Wextra -O2 -g -I.. $(DBUS_CFLAGS) -o $@ \
+		daemon_restart_test.c ../ipc.c $(DBUS_LIBS)
 
 $(TESTOBJ): test.h ../dat.h ../fn.h ../ipc.h ../cutest/cutest.h
 engine_test.o: ../strans.c