diff --git a/utilities/pci-irq-affinity-agent/files/pci-irq-affinity-agent.conf b/utilities/pci-irq-affinity-agent/files/pci-irq-affinity-agent.conf
index 544cee0f..ea13f86b 100644
--- a/utilities/pci-irq-affinity-agent/files/pci-irq-affinity-agent.conf
+++ b/utilities/pci-irq-affinity-agent/files/pci-irq-affinity-agent.conf
@@ -7,3 +7,4 @@ severity = major          ; minor, major, critical
 restarts = 3              ; restarts before error assertion
 interval = 5              ; number of seconds to wait between restarts
 debounce = 20             ; number of seconds to wait before degrade clear
+subfunction = last-config ; run it only after last config is run