diff --git a/Makefile b/Makefile
index 4f5a7f4..789362c 100644
--- a/Makefile
+++ b/Makefile
@@ -123,6 +123,7 @@ dist:
 		$(PACKAGE)-$(VERSION)/src/target/asm/i586.c \
 		$(PACKAGE)-$(VERSION)/src/target/asm/i686.c \
 		$(PACKAGE)-$(VERSION)/src/target/project.conf \
+		$(PACKAGE)-$(VERSION)/tests/graph.c \
 		$(PACKAGE)-$(VERSION)/tests/hello.c \
 		$(PACKAGE)-$(VERSION)/tests/struct.c \
 		$(PACKAGE)-$(VERSION)/tests/union.c \
diff --git a/tests/Makefile b/tests/Makefile
index 81be72f..50b0c57 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,4 +1,4 @@
-TARGETS	= graph hello struct union
+TARGETS	= graph.o hello.o struct.o union.o
 PREFIX	= /usr/local
 DESTDIR	=
 BINDIR	= $(PREFIX)/bin
@@ -16,32 +16,32 @@ INSTALL	?= install
 
 all: $(TARGETS)
 
-graph_OBJS = graph
-graph_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS) -M graph
+graph.o_OBJS = graph.o
+graph.o_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS) -M graph
 
-hello_OBJS = hello
-hello_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
+hello.o_OBJS = hello.o
+hello.o_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
 
-struct_OBJS = struct
-struct_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
+struct.o_OBJS = struct.o
+struct.o_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
 
-union_OBJS = union
-union_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
+union.o_OBJS = union.o
+union.o_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
 
-graph: graph.c
-	$(CC) $(graph_CFLAGS) -c graph.c
+graph.o: graph.c
+	$(CC) $(graph.o_CFLAGS) -c graph.c
 
-hello: hello.c
-	$(CC) $(hello_CFLAGS) -c hello.c
+hello.o: hello.c
+	$(CC) $(hello.o_CFLAGS) -c hello.c
 
-struct: struct.c
-	$(CC) $(struct_CFLAGS) -c struct.c
+struct.o: struct.c
+	$(CC) $(struct.o_CFLAGS) -c struct.c
 
-union: union.c
-	$(CC) $(union_CFLAGS) -c union.c
+union.o: union.c
+	$(CC) $(union.o_CFLAGS) -c union.c
 
 clean:
-	$(RM) -- $(graph_OBJS) $(hello_OBJS) $(struct_OBJS) $(union_OBJS)
+	$(RM) -- $(graph.o_OBJS) $(hello.o_OBJS) $(struct.o_OBJS) $(union.o_OBJS)
 
 distclean: clean
 	$(RM) -- $(TARGETS)
diff --git a/tests/project.conf b/tests/project.conf
index 1936811..f335f2b 100644
--- a/tests/project.conf
+++ b/tests/project.conf
@@ -1,22 +1,22 @@
-targets=graph,hello,struct,union
+targets=graph.o,hello.o,struct.o,union.o
 cflags_force=-W
 cflags=
 cc=../src/c99
 dist=Makefile
 
-[graph]
+[graph.o]
 type=object
 sources=graph.c
 cflags=-M graph
 
-[hello]
+[hello.o]
 type=object
 sources=hello.c
 
-[struct]
+[struct.o]
 type=object
 sources=struct.c
 
-[union]
+[union.o]
 type=object
 sources=union.c