diff --git a/src/Makefile.am b/src/Makefile.am
index be131ae..8034a98 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 bin_PROGRAMS = cmph
 lib_LTLIBRARIES = libcmph.la
-include_HEADERS = cmph.h cmph_types.h
+include_HEADERS = cmph.h cmph_types.h cmph_time.h
 libcmph_la_SOURCES =  hash.h hash.c \
 		      jenkins_hash.h jenkins_hash.c\
 		      hash_state.h debug.h \