diff --git a/Makefile.am b/Makefile.am
index aecbebb..d71d6e5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,6 +18,7 @@
 	powercap.cpp \
 	org/open_power/OCC/Device/error.cpp \
 	occ_finder.cpp \
+	i2c_occ.cpp \
 	utils.cpp
 
 BUILT_SOURCES =  org/open_power/OCC/Device/error.hpp \