diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 7fc6873..94a7617 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -299,14 +299,13 @@
 }
 /* END_CASE */
 
-
 /* BEGIN_CASE */
 void pk_invalid_param()
 {
     mbedtls_pk_context ctx;
     mbedtls_md_type_t md_alg_none = MBEDTLS_MD_NONE;
     mbedtls_pk_type_t pk_type = 0;
-    unsigned char buf[] = {0x01,0x02,0x03,0x04,0x05,0x06};
+    unsigned char buf[] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06};
     size_t buf_size = sizeof( buf );
 
     mbedtls_pk_init( &ctx );