diff --git a/tests/src/psa_crypto_stubs.c b/tests/src/psa_crypto_stubs.c
index be01121..f3ca850 100644
--- a/tests/src/psa_crypto_stubs.c
+++ b/tests/src/psa_crypto_stubs.c
@@ -22,4 +22,4 @@
     return PSA_ERROR_COMMUNICATION_FAILURE;
 }
 
-#endif /* MBEDTLS_PSA_CRYPTO_CLIENT !MBEDTLS_PSA_CRYPTO_C */
+#endif /* MBEDTLS_PSA_CRYPTO_CLIENT && !MBEDTLS_PSA_CRYPTO_C */