diff --git a/Jenkinsfile b/Jenkinsfile
index 664de41..0385c18 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,7 +20,7 @@ pipeline {
                     implementations.each { implementation ->
                         stage("Test ${implementation} primitives") {
                             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
-                                sh 'make test-compile-r7rs-docker COMPILE_R7RS=${implementation} TESTNAME=primitives'
+                                sh "make test-compile-r7rs-docker COMPILE_R7RS=${implementation} TESTNAME=primitives"
                             }
                         }
                     }