diff --git a/Jenkinsfile b/Jenkinsfile
index 54e3faf..ed79c2b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -14,12 +14,16 @@ pipeline {
                 script {
                     //def implementations = sh(script: 'docker run retropikzel1/compile-r7rs:chibi sh -c "compile-r7rs --list-r7rs-schemes"', returnStdout: true).split()
                     def implementations = "chibi chicken gauche guile kawa mosh racket sagittarius stklos ypsilon".split()
-                    def DOCKERIMG = sh(script: 'make docker-image', returnStdout: true)
 
                     parallel implementations.collectEntries { implementation->
                         [(implementation): {
                                 stage("${implementation} install") {
                                     catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
+					if("${SCHEME}" == "chicken") {
+						DOCKERIMG="${SCHEME}:5"
+					} else {
+						DOCKERIMG="${SCHEME}: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\""
                                     }