diff --git a/Makefile b/Makefile
index 63ce7e3..9e08978 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,8 @@ DOCKER_IMAGE = strans-build
 DOCKER_RUN = docker run --rm --user "$$(id -u):$$(id -g)" \
 	-v "$(CURDIR):/src" $(DOCKER_IMAGE)
 
-SRCS = $(wildcard *.c)
+SRCS = dict.c font.c hash.c ibus.c ipc.c ko.c main.c popup_layout.c \
+	srv.c str.c strans.c trie.c vi.c win.c
 OBJS = $(SRCS:.c=.o)
 
 all: $(PROG) xim gtk