diff --git a/opal/mca/timer/windows/Makefile.am b/opal/mca/timer/windows/Makefile.am
index 5a06f7b667..09bbad9efe 100644
--- a/opal/mca/timer/windows/Makefile.am
+++ b/opal/mca/timer/windows/Makefile.am
@@ -22,6 +22,7 @@ noinst_LTLIBRARIES = libmca_timer_windows.la
 
 libmca_timer_windows_la_SOURCES = \
     timer_windows.h \
+    timer_windows_component.h \
     timer_windows_component.c
 
 EXTRA_DIST  = \