diff --git a/common.mk b/common.mk
index 6b4a0b00f1..06584c270d 100644
--- a/common.mk
+++ b/common.mk
@@ -1171,7 +1171,7 @@ bisect-ruby: PHONY
 COMPARE_RUBY = $(BASERUBY)
 BENCH_RUBY = $(RUNRUBY)
 ITEM =
-ARGS = $$(find $(srcdir)/benchmark -maxdepth 1 -name '*$(ITEM)*.yml' -o -name '*$(ITEM)*.rb' | sort)
+ARGS = $$(find $(srcdir)/benchmark -maxdepth 1 -name '$(ITEM)' -o -name '*$(ITEM)*.yml' -o -name '*$(ITEM)*.rb' | sort)
 OPTS =
 
 # See benchmark/README.md for details.