diff --git a/Makefile.am b/Makefile.am
index 0c317ea..0376613 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -120,6 +120,7 @@
     src/utils/glock.c \
     src/utils/hash.h \
     src/utils/hash.c \
+    src/utils/int.h \
     src/utils/list.h \
     src/utils/list.c \
     src/utils/msg.h \
@@ -444,6 +445,8 @@
     tests/zerocopy \
     tests/shutdown
 
+EXTRA_DIST += tests/testutil.h
+
 check_PROGRAMS = \
     $(TRANSPORT_TESTS) \
     $(PROTOCOL_TESTS) \
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7b3a10e..a57dc42 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -112,6 +112,7 @@
     utils/glock.c
     utils/hash.h
     utils/hash.c
+    utils/int.h
     utils/list.h
     utils/list.c
     utils/msg.h