diff --git a/m4/Makefile.am b/m4/Makefile.am
index b0bbee3c..8531624c 100644
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -3,6 +3,7 @@
 EXTRA_DIST = \
 ccstdc.m4 \
 d-ino.m4 \
+fnmatch.m4 \
 getline.m4 \
 gettext.m4 \
 inttypes_h.m4 \