diff --git a/Makefile b/Makefile
index 608ec21..8166af0 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ test-compile-r7rs: tmp/test/libtest.o tmp/test/libtest.so tmp/test/libtest.a
 		./${TESTNAME}
 
 test-compile-r7rs-docker:
-	docker build --build-arg COMPILE_R7RS=${COMPILE_R7RS} --tag=r7rs-pffi-test-${COMPILE_R7RS} -f dockerfiles/test .
+	docker build --build-arg COMPILE_R7RS=${COMPILE_R7RS} --tag=r7rs-pffi-test-${COMPILE_R7RS} -f Dockerfile.test .
 	docker run -v "${PWD}":/workdir -w /workdir -t r7rs-pffi-test-${COMPILE_R7RS} sh -c "make COMPILE_R7RS=${COMPILE_R7RS} test-compile-r7rs"
 
 tmp/test/libtest.o: tests/c-src/libtest.c