diff --git a/pkg/power/c_states_test.go b/pkg/power/c_states_test.go
index c7d1142..152a310 100644
--- a/pkg/power/c_states_test.go
+++ b/pkg/power/c_states_test.go
@@ -23,7 +23,7 @@ func setupCoreCStatesTests(cpufiles map[string]map[string]map[string]string) fun
 
 	for cpu, states := range cpufiles {
 		if cpu == "driver" {
-			os.MkdirAll(filepath.Join(basePath, strings.Split(cStatesDrvPath, "/")[0]), 0644)
+			os.MkdirAll(filepath.Join(basePath, strings.Split(cStatesDrvPath, "/")[0]), os.ModePerm)
 			for driver := range states {
 				os.WriteFile(filepath.Join(basePath, cStatesDrvPath), []byte(driver), 0644)
 				break
@@ -31,9 +31,9 @@ func setupCoreCStatesTests(cpufiles map[string]map[string]map[string]string) fun
 			continue
 		}
 		cpuStatesDir := filepath.Join(basePath, cpu, cStatesDir)
-		os.MkdirAll(filepath.Join(cpuStatesDir), 0644)
+		os.MkdirAll(filepath.Join(cpuStatesDir), os.ModePerm)
 		for state, props := range states {
-			os.Mkdir(filepath.Join(cpuStatesDir, state), 0644)
+			os.Mkdir(filepath.Join(cpuStatesDir, state), os.ModePerm)
 			for propFile, value := range props {
 				os.WriteFile(filepath.Join(cpuStatesDir, state, propFile), []byte(value), 0644)
 			}
diff --git a/pkg/power/core_test.go b/pkg/power/core_test.go
index 5a37c11..ae579b8 100644
--- a/pkg/power/core_test.go
+++ b/pkg/power/core_test.go
@@ -74,7 +74,7 @@ func setupCoreTests(cpufiles map[string]map[string]string) func() {
 
 	for cpuName, cpuDetails := range cpufiles {
 		cpudir := filepath.Join(basePath, cpuName)
-		os.MkdirAll(filepath.Join(cpudir, "cpufreq"), 0644)
+		os.MkdirAll(filepath.Join(cpudir, "cpufreq"), os.ModePerm)
 		os.WriteFile(filepath.Join(cpudir, scalingDrvFile), []byte("intel_pstate\n"), 0664)
 		for prop, value := range cpuDetails {
 			switch prop {