diff --git a/internal/testutils/testutils.go b/internal/testutils/testutils.go
index e2447675..675a9b5b 100644
--- a/internal/testutils/testutils.go
+++ b/internal/testutils/testutils.go
@@ -103,14 +103,14 @@ func ResourceNameWithDateTime(name string) string {
 
 func GetTestProjectServiceAccountJson(path string) string {
 	var err error
-	token, tokenSet := os.LookupEnv("TF_ACC_SERVICE_ACCOUNT_FILE")
-	if !tokenSet || token == "" {
-		token, err = readTestServiceAccountJsonFromFile(path)
+	json, ok := os.LookupEnv("TF_ACC_SERVICE_ACCOUNT_JSON_CONTENT")
+	if !ok || json == "" {
+		json, err = readTestServiceAccountJsonFromFile(path)
 		if err != nil {
 			return ""
 		}
 	}
-	return token
+	return json
 }
 
 // func GetTestProjectServiceAccountToken(path string) string {
@@ -157,8 +157,8 @@ func GetTestProjectServiceAccountJson(path string) string {
 
 func readTestServiceAccountJsonFromFile(path string) (string, error) {
 	if path == "" {
-		customPath, customPathSet := os.LookupEnv("STACKIT_SERVICE_ACCOUNT_PATH")
-		if !customPathSet || customPath == "" {
+		customPath, ok := os.LookupEnv("TF_ACC_SERVICE_ACCOUNT_FILE")
+		if !ok || customPath == "" {
 			path = serviceAccountFilePath
 			home, err := os.UserHomeDir()
 			if err != nil {