diff --git a/Makefile b/Makefile
index ac78b7d..2d9b153 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,7 @@ src/resources/daisy-pipeline : engine/target/assembly-$(ENGINE_VERSION)-$(zip_cl
 ifeq ($(OS), MACOSX)
 	// FIXME: unzip() currently does not preserve file permissions \
 	exec("chmod", "+x", "$@/jre/bin/java");
+	exec("chmod", "+x", "$@/jre/lib/jspawnhelper");
 endif
 
 engine/target/assembly-$(ENGINE_VERSION)-$(zip_classifier).zip : \
diff --git a/engine b/engine
index ac2c633..6769bad 160000
--- a/engine
+++ b/engine
@@ -1 +1 @@
-Subproject commit ac2c633ff11c40e6a598aec9856fa83de0413fa4
+Subproject commit 6769bad2b22e4725d21e7e74c00bc8023453c181
diff --git a/src/main/factories/ipcs/pipeline.ts b/src/main/factories/ipcs/pipeline.ts
index c025922..e39811e 100644
--- a/src/main/factories/ipcs/pipeline.ts
+++ b/src/main/factories/ipcs/pipeline.ts
@@ -395,7 +395,7 @@ Then close the program using the port and restart this application.`,
                 ...SystemProps,
                 '-classpath',
                 `"${delimiter}${relativeJarFiles.join(delimiter)}${delimiter}"`,
-                'org.daisy.pipeline.webservice.impl.PipelineWebService',
+                'org.daisy.pipeline.webservice.restlet.impl.PipelineWebService',
             ]
             this.pushMessage(
                 `Launching the local pipeline with the following command :