diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index e697012..3140ba9 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -1218,6 +1218,8 @@
     const mbedtls_cipher_info_t *cipher_info;
     size_t keylen = 0;
 
+    mbedtls_cipher_init(&ctx);
+
     cipher_info = mbedtls_cipher_info_from_type(cipher_id);
 
     if (cipher_info->mode != MBEDTLS_MODE_CBC) {
@@ -1228,8 +1230,6 @@
     TEST_CALLOC(key, keylen/8);
     memset(key, 0, keylen/8);
 
-    mbedtls_cipher_init(&ctx);
-
     TEST_EQUAL(0, mbedtls_cipher_setup(&ctx, cipher_info));
 
     TEST_EQUAL(0, mbedtls_cipher_setkey(&ctx, key, keylen,