diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile
index 19678e90efb25d1231e6bdfd97f8b6ea99a6f6bf..849a90ffe8dd2d311b9b66bed9058fefdf28ba7d 100644
--- a/tools/testing/selftests/intel_pstate/Makefile
+++ b/tools/testing/selftests/intel_pstate/Makefile
@@ -1,5 +1,5 @@
 CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
-LDFLAGS := $(LDFLAGS) -lm
+LDLIBS := $(LDLIBS) -lm
 
 TEST_GEN_FILES := msr aperf