diff --git a/debian/kamailio-lb.service b/debian/kamailio-lb.service
index a5e848511..c656189f0 100644
--- a/debian/kamailio-lb.service
+++ b/debian/kamailio-lb.service
@@ -14,6 +14,7 @@ Type=simple
 User=kamailio
 Group=kamailio
 PIDFile=/run/kamailio/kamailio.lb.pid
+Environment='LD_PRELOAD=/usr/lib/x86_64-linux-gnu/kamailio/openssl_mutex_shared/openssl_mutex_shared.so'
 Environment='CFGFILE=/etc/kamailio/lb/kamailio.cfg'
 # Values of SHM_MEMORY=64 and PKG_MEMORY=16 taken from old sysvinit file
 # Amount of shared memory to allocate for the running Kamailio server (in MiB)
diff --git a/debian/kamailio-proxy.service b/debian/kamailio-proxy.service
index e6b292109..4de168351 100644
--- a/debian/kamailio-proxy.service
+++ b/debian/kamailio-proxy.service
@@ -14,7 +14,6 @@ Type=simple
 User=kamailio
 Group=kamailio
 PIDFile=/run/kamailio/kamailio.proxy.pid
-Environment='LD_PRELOAD=/usr/lib/x86_64-linux-gnu/kamailio/openssl_mutex_shared/openssl_mutex_shared.so'
 Environment='CFGFILE=/etc/kamailio/proxy/kamailio.cfg'
 # Values of SHM_MEMORY=125 and PKG_MEMORY=32 taken from old sysvinit file
 # Amount of shared memory to allocate for the running Kamailio server (in MiB)