diff --git a/modules/mbedtls/configs/config-tls-generic.h b/modules/mbedtls/configs/config-tls-generic.h
index 9d5dcfdaa47..7cf85731c85 100644
--- a/modules/mbedtls/configs/config-tls-generic.h
+++ b/modules/mbedtls/configs/config-tls-generic.h
@@ -463,7 +463,7 @@
 #define MBEDTLS_PSA_CRYPTO_C
 #define MBEDTLS_USE_PSA_CRYPTO
 
-#if defined(CONFIG_BOARD_NRF52_BSIM) || defined(CONFIG_BOARD_NATIVE_POSIX)
+#if defined(CONFIG_ARCH_POSIX)
 #define MBEDTLS_PSA_KEY_SLOT_COUNT     64
 #define MBEDTLS_PSA_CRYPTO_STORAGE_C
 #define MBEDTLS_PSA_ITS_FILE_C