diff --git a/Jenkinsfile b/Jenkinsfile
index 4e0f0f2..3b8456f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -25,7 +25,7 @@ pipeline {
                         tests.each { test ->
                             stage("${implementation} ${test}") {
                                 catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-                                    sh "docker build --build-arg COMPILE_R7RS=${implementation} --tag=r7rs-pffi-test-${implementation} -f dockerfiles/Dockerfile.test ."
+                                    sh "docker build --build-arg SCHEME=${implementation} --tag=r7rs-pffi-test-${implementation} -f dockerfiles/Dockerfile.test ."
                                     sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t r7rs-pffi-test-${implementation} sh -c \"make SCHEME=${implementation} TEST=${test} clean test\""
                                 }
                             }
diff --git a/Makefile b/Makefile
index 6593d5d..b7181aa 100644
--- a/Makefile
+++ b/Makefile
@@ -63,8 +63,8 @@ test-compile-r7rs-wine:
 		wine ./${TEST}.bat
 
 test-docker:
-	docker build --build-arg COMPILE_R7RS=${SCHEME} --tag=r7rs-pffi-test-${SCHEME} -f dockerfiles/Dockerfile.test .
-	docker run -it -v "${PWD}:/workdir" -w /workdir -t r7rs-pffi-test-${SCHEME} sh -c "make COMPILE_R7RS=${SCHEME} TEST=${TEST} test-compile-r7rs"
+	docker build --build-arg SCHEME=${SCHEME} --tag=r7rs-pffi-test-${SCHEME} -f dockerfiles/Dockerfile.test .
+	docker run -it -v "${PWD}:/workdir" -w /workdir -t r7rs-pffi-test-${SCHEME} sh -c "make SCHEME=${SCHEME} TEST=${TEST} test-compile-r7rs"
 
 tmp/test/libtest.o: tests/c-src/libtest.c
 	mkdir -p tmp/test