--- /etc/init.d/boinc.orig	2016-03-29 16:25:49.167249612 +0100
+++ /etc/init.d/boinc	2016-03-29 16:20:28.936245825 +0100
@@ -81,7 +81,7 @@
 	password=$(cat "${RUNTIMEDIR}/gui_rpc_auth.cfg")
 
 	ebegin "${SVCNAME}: Attaching to project"
-	su -m ${USER} -c "boinccmd --passwd \"${password}\" --project_attach ${url} ${key}"
+	su -m ${USER} -s /bin/sh -c "boinccmd --passwd \"${password}\" --project_attach ${url} ${key}"
 	eend $?
 
 	unset password url key
@@ -96,7 +96,7 @@
 	password=$(cat "${RUNTIMEDIR}/gui_rpc_auth.cfg")
 
 	ebegin "Stopping ${SVCNAME}"
-	su -m ${USER} -c "boinccmd --passwd \"${password}\" --quit"
+	su -m ${USER} -s /bin/sh -c "boinccmd --passwd \"${password}\" --quit"
 	eend $?
 
 	unset password