diff --git a/m4/Makefile.am b/m4/Makefile.am
index 59e87cf5..b0bbee3c 100644
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -3,6 +3,7 @@
 EXTRA_DIST = \
 ccstdc.m4 \
 d-ino.m4 \
+getline.m4 \
 gettext.m4 \
 inttypes_h.m4 \
 isc-posix.m4 \