diff --git a/Makefile.am b/Makefile.am
index d1842cb..f9bb234 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,7 +33,8 @@
                                  $(PHOSPHOR_DBUS_INTERFACES_LIBS) \
                                  $(SDBUSPLUS_LIBS) \
                                  -lstdc++fs \
-                                 -lgpiodcxx
+                                 -lgpiodcxx \
+                                 -lpthread
 
 openpower_proc_control_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS) \
                                   $(PHOSPHOR_DBUS_INTERFACES_CFLAGS) \