diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index f3f3d2b..4b29ea2 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -2070,7 +2070,7 @@
  *
  * Uncomment to enable invasive tests.
  */
-//#define MBEDTLS_TEST_HOOKS
+#define MBEDTLS_TEST_HOOKS
 
 /**
  * \def MBEDTLS_THREADING_ALT
diff --git a/tests/include/test/psa_memory_poisoning_wrappers.h b/tests/include/test/psa_memory_poisoning_wrappers.h
index 8b2dcfa..0052c2f 100644
--- a/tests/include/test/psa_memory_poisoning_wrappers.h
+++ b/tests/include/test/psa_memory_poisoning_wrappers.h
@@ -44,4 +44,4 @@
 
 #endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_TEST_MEMORY_CAN_POISON */
 
-#endif /* PSA_MEMORY_POISONING_WRAPPERS_H */
\ No newline at end of file
+#endif /* PSA_MEMORY_POISONING_WRAPPERS_H */