diff --git a/fuzzers/Makefile b/fuzzers/Makefile
index 532fa5d1..29c98e8e 100644
--- a/fuzzers/Makefile
+++ b/fuzzers/Makefile
@@ -90,6 +90,7 @@ $(eval $(call fuzzer,035a-iob-idelay,005-tilegrid))
 $(eval $(call fuzzer,036-iob-ologic,005-tilegrid))
 $(eval $(call fuzzer,037-iob-pips,005-tilegrid))
 $(eval $(call fuzzer,038-cfg,005-tilegrid))
+$(eval $(call fuzzer,039-hclk-config,005-tilegrid))
 $(eval $(call fuzzer,040-clk-hrow-config,005-tilegrid))
 $(eval $(call fuzzer,041-clk-hrow-pips,005-tilegrid))
 $(eval $(call fuzzer,042-clk-bufg-config,005-tilegrid))