diff --git a/init/systemd.in b/init/systemd.in
index ee2c387c594..53954a22d9a 100644
--- a/init/systemd.in
+++ b/init/systemd.in
@@ -5,7 +5,7 @@ After=network.target
 
 [Service]
 Type=simple
-ExecStart=@CMAKE_INSTALL_FULL_BINDIR@/@FLB_OUT_NAME@ -c /@CMAKE_INSTALL_SYSCONFDIR@/@FLB_OUT_NAME@/@FLB_OUT_NAME@.conf
+ExecStart=@CMAKE_INSTALL_FULL_BINDIR@/@FLB_OUT_NAME@ -c @CMAKE_INSTALL_SYSCONFDIR@/@FLB_OUT_NAME@/@FLB_OUT_NAME@.conf
 Restart=always
 
 [Install]