diff --git a/service_files/xyz.openbmc_project.PCIe.service b/service_files/xyz.openbmc_project.PCIe.service
index 7c48a03..1d38eb4 100644
--- a/service_files/xyz.openbmc_project.PCIe.service
+++ b/service_files/xyz.openbmc_project.PCIe.service
@@ -5,6 +5,7 @@
 Restart=always
 ExecStart=/usr/bin/peci-pcie
 Type=simple
+Nice=19
 
 [Install]
 WantedBy=multi-user.target