diff --git a/test/fuzzing/Makefile.am b/test/fuzzing/Makefile.am
index a7266909a..7b0eb9452 100644
--- a/test/fuzzing/Makefile.am
+++ b/test/fuzzing/Makefile.am
@@ -44,7 +44,9 @@ hb_fuzzer_DEPENDENCIES = \
 	$(NULL)
 
 check:
-	cat $(top_srcdir)/test/shaping/tests/fuzzed.tests | \
-	cut -d: -f1 | xargs ./hb-fuzzer
+	cat $(srcdir)/../shaping/tests/fuzzed.tests | \
+	cut -d: -f1 | while read x; do \
+		./hb-fuzzer $(srcdir)/../shaping/$$x; \
+	done
 
 -include $(top_srcdir)/git.mk