diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index 2e2b2c9..27ffae6 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -16,7 +16,7 @@
 $(top_builddir)/src/libharfbuzz-subset.la: libs
 
 EXTRA_DIST += \
-	README \
+	README.md \
 	run-shape-fuzzer-tests.py \
 	run-subset-fuzzer-tests.py \
 	run-draw-fuzzer-tests.py \