diff --git a/fault-monitor/Makefile.am b/fault-monitor/Makefile.am
index ba7603f..044b638 100644
--- a/fault-monitor/Makefile.am
+++ b/fault-monitor/Makefile.am
@@ -7,7 +7,16 @@
 
 phosphor_fru_fault_monitor_SOURCES = \
                fru-fault-monitor.cpp \
-               monitor-main.cpp
+               monitor-main.cpp \
+               xyz/openbmc_project/Led/Mapper/error.cpp \
+               xyz/openbmc_project/Led/Fru/Monitor/error.cpp
+
+BUILT_SOURCES =  xyz/openbmc_project/Led/Mapper/error.hpp \
+                 xyz/openbmc_project/Led/Mapper/error.cpp \
+                 xyz/openbmc_project/Led/Fru/Monitor/error.hpp \
+                 xyz/openbmc_project/Led/Fru/Monitor/error.cpp
+
+CLEANFILES = ${BUILT_SOURCES}
 
 phosphor_fru_fault_monitor_LDFLAGS = $(SDBUSPLUS_LIBS) \
                                      $(PHOSPHOR_LOGGING_LIBS) \
@@ -15,3 +24,19 @@
 phosphor_fru_fault_monitor_CFLAGS =  $(SDBUSPLUS_CFLAGS) \
                                      $(PHOSPHOR_LOGGING_CFLAGS) \
                                      $(PHOSPHOR_DBUS_INTERFACES_CFLAGS)
+
+xyz/openbmc_project/Led/Mapper/error.hpp: ${top_srcdir}/xyz/openbmc_project/Led/Mapper.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-header xyz.openbmc_project.Led.Mapper > $@
+
+xyz/openbmc_project/Led/Mapper/error.cpp: ${top_srcdir}/xyz/openbmc_project/Led/Mapper.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-cpp xyz.openbmc_project.Led.Mapper > $@
+
+xyz/openbmc_project/Led/Fru/Monitor/error.hpp: ${top_srcdir}/xyz/openbmc_project/Led/Fru/Monitor.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-header xyz.openbmc_project.Led.Fru.Monitor > $@
+
+xyz/openbmc_project/Led/Fru/Monitor/error.cpp: ${top_srcdir}/xyz/openbmc_project/Led/Fru/Monitor.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-cpp xyz.openbmc_project.Led.Fru.Monitor > $@