diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index 21dcdec..f546e76 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -951,9 +951,9 @@
  * Write application data. Increase write counter if necessary.
  */
 static int mbedtls_ssl_write_fragment(mbedtls_ssl_context *ssl,
-                               unsigned char *buf, int buf_len,
-                               int *written,
-                               const int expected_fragments)
+                                      unsigned char *buf, int buf_len,
+                                      int *written,
+                                      const int expected_fragments)
 {
     int ret;
     /* Verify that calling mbedtls_ssl_write with a NULL buffer and zero length is
@@ -998,9 +998,9 @@
  * if necessary.
  */
 static int mbedtls_ssl_read_fragment(mbedtls_ssl_context *ssl,
-                              unsigned char *buf, int buf_len,
-                              int *read, int *fragments,
-                              const int expected_fragments)
+                                     unsigned char *buf, int buf_len,
+                                     int *read, int *fragments,
+                                     const int expected_fragments)
 {
     int ret;
     /* Verify that calling mbedtls_ssl_write with a NULL buffer and zero length is