diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 744e51c4a6bd..03bc843b1cf8 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -183,6 +183,7 @@ void perf_env__exit(struct perf_env *env)
 	zfree(&env->sibling_threads);
 	zfree(&env->pmu_mappings);
 	zfree(&env->cpu);
+	zfree(&env->cpu_pmu_caps);
 	zfree(&env->numa_map);
 
 	for (i = 0; i < env->nr_numa_nodes; i++)