diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 68218cf..0056405 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -341,6 +341,7 @@
 LIB_OBJS += util/values.o
 LIB_OBJS += util/debug.o
 LIB_OBJS += util/map.o
+LIB_OBJS += util/thread.o
 
 BUILTIN_OBJS += builtin-annotate.o
 BUILTIN_OBJS += builtin-help.o