diff --git a/extensions/openpower-pels/openpower-pels.mk b/extensions/openpower-pels/openpower-pels.mk
index 1468935..d2fa114 100644
--- a/extensions/openpower-pels/openpower-pels.mk
+++ b/extensions/openpower-pels/openpower-pels.mk
@@ -41,6 +41,7 @@
 	extensions/openpower-pels/registry.cpp \
 	extensions/openpower-pels/src.cpp \
 	extensions/openpower-pels/section_factory.cpp \
+	extensions/openpower-pels/service_indicators.cpp \
 	extensions/openpower-pels/severity.cpp \
 	extensions/openpower-pels/user_header.cpp