diff --git a/Makefile b/Makefile
index f6d93da..25fd568 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,16 @@
 CC = gcc
 CFLAGS = -std=c99 -pedantic -Wall -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_POSIX_C_SOURCE=200809L -g -c
 
-.PHONY all: server client
+all: server client
 
 server: server.o
-	$(CC) -o $@ $<
+	$(CC) $^ -o $@
 
 client: client.o
-	$(CC) -o $@ $<
+	$(CC) $^ -o $@
 
 %.o: %.c common.h
 	$(CC) $(CFLAGS) $^
 
 .PHONY clean:
-	rm -f client.o server.o client server
+	rm -f common.h.ghc client.o server.o client server