diff --git a/Jenkinsfile b/Jenkinsfile
index 823ddc3..066d9d8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -19,25 +19,25 @@ pipeline {
                         [(implementation): {
                                 stage("${implementation} install") {
                                     catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-					if("${implementation}" == "chicken") {
-						DOCKERIMG="chicken:5"
-					} else {
-						DOCKERIMG="${implementation}:head"
-					}
+                                        if("${implementation}" == "chicken") {
+                                            DOCKERIMG="chicken:5"
+                                        } else {
+                                            DOCKERIMG="${implementation}:head"
+                                        }
                                         sh "docker build --build-arg IMAGE=${DOCKERIMG} --build-arg SCHEME=${implementation} --tag=foreign-c-test-${implementation} -f dockerfiles/Dockerfile.snow-chibi-install-test ."
-                                        sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t foreign-c-test-${implementation} sh -c \"timeout 120 make clean all install-jenkins SCHEME=${implementation} && cp tests/hello.scm /tmp/ && cd /tmp && SCHEME=${implementation} timeout 120 compile-r7rs -o hello hello.scm && timeout 120 ./hello\""
+                                            sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t foreign-c-test-${implementation} sh -c \"timeout 120 make clean all install-jenkins SCHEME=${implementation} && cp tests/hello.scm /tmp/ && cd /tmp && SCHEME=${implementation} timeout 120 compile-r7rs -o hello hello.scm && timeout 120 printf \"\\n\"./hello\""
                                     }
                                 }
                                 tests.each { test ->
                                     stage("${implementation} ${test}") {
                                         catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-					    if("${implementation}" == "chicken") {
-					         DOCKERIMG="chicken:5"
-					    } else {
-						 DOCKERIMG="${implementation}:head"
-					    }
+                                            if("${implementation}" == "chicken") {
+                                                DOCKERIMG="chicken:5"
+                                            } else {
+                                                DOCKERIMG="${implementation}:head"
+                                            }
                                             sh "docker build --build-arg IMAGE=${DOCKERIMG} --build-arg SCHEME=${implementation} --tag=foreign-c-test-${implementation} -f dockerfiles/Dockerfile.test ."
-                                            sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t foreign-c-test-${implementation} sh -c \"timeout 120 make SCHEME=${implementation} TEST=${test} clean test\""
+                                                sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t foreign-c-test-${implementation} sh -c \"timeout 120 make SCHEME=${implementation} TEST=${test} clean test\""
                                         }
                                     }
                                 }