diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 2ac2cc6..5fd3c59 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3856,7 +3856,9 @@
 #include MBEDTLS_USER_CONFIG_FILE
 #endif
 
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
 #include "mbedtls/config_psa.h"
+#endif
 
 #include "mbedtls/check_config.h"