diff --git a/include/glibtop/Makefile.am b/include/glibtop/Makefile.am
index e4f780df..cd24503f 100644
--- a/include/glibtop/Makefile.am
+++ b/include/glibtop/Makefile.am
@@ -5,7 +5,7 @@ glibtop_HEADERS		= close.h loadavg.h prockernel.h procstate.h \
 			  proctime.h shm_limits.h cpu.h msg_limits.h \
 			  procmem.h procuid.h swap.h error.h open.h \
 			  procsegment.h sysdeps.h xmalloc.h global.h \
-			  procsignal.h union.h types.h \
+			  procsignal.h union.h types.h proccwd.h \
 			  parameter.h mountlist.h fsusage.h procmap.h signal.h \
 			  inodedb.h sysinfo.h ppp.h procargs.h netload.h \
 			  netinfo.h interfaces.h limits.h array.h compat_10.h \