diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index 2df3ce5..9d9ab08 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -17,6 +17,10 @@
 #include <test/psa_crypto_helpers.h>
 #endif
 
+#if defined(MBEDTLS_TEST_HOOKS)
+#include <test/psa_memory_poisoning_wrappers.h>
+#endif
+
 /*----------------------------------------------------------------------------*/
 /* Static global variables */
 
@@ -46,6 +50,10 @@
 {
     int ret = 0;
 
+#if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_TEST_MEMORY_CAN_POISON)
+    mbedtls_poison_test_hooks_setup();
+#endif
+
 #if defined(MBEDTLS_PSA_INJECT_ENTROPY)
     /* Make sure that injected entropy is present. Otherwise
      * psa_crypto_init() will fail. This is not necessary for test suites
@@ -66,6 +74,10 @@
 
 void mbedtls_test_platform_teardown(void)
 {
+#if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_TEST_MEMORY_CAN_POISON)
+    mbedtls_poison_test_hooks_teardown();
+#endif
+
 #if defined(MBEDTLS_PLATFORM_C)
     mbedtls_platform_teardown(&platform_ctx);
 #endif /* MBEDTLS_PLATFORM_C */
diff --git a/tests/src/psa_memory_poisoning_wrappers.c b/tests/src/psa_memory_poisoning_wrappers.c
index 7af84dd..c865d1f 100644
--- a/tests/src/psa_memory_poisoning_wrappers.c
+++ b/tests/src/psa_memory_poisoning_wrappers.c
@@ -34,7 +34,6 @@
                                      size_t output_size,
                                      size_t *output_length)
 {
-    mbedtls_poison_test_hooks_setup();
     MBEDTLS_TEST_MEMORY_POISON(input, input_length);
     MBEDTLS_TEST_MEMORY_POISON(output, output_size);
     psa_status_t status = psa_cipher_encrypt(key,
@@ -46,7 +45,6 @@
                                              output_length);
     MBEDTLS_TEST_MEMORY_UNPOISON(input, input_length);
     MBEDTLS_TEST_MEMORY_UNPOISON(output, output_size);
-    mbedtls_poison_test_hooks_teardown();
     return status;
 }