diff --git a/configs/config-symmetric-only.h b/configs/config-symmetric-only.h
index 054cb9e..f05a0d7 100644
--- a/configs/config-symmetric-only.h
+++ b/configs/config-symmetric-only.h
@@ -92,6 +92,8 @@
 #define MBEDTLS_VERSION_C
 #define MBEDTLS_XTEA_C
 
+#include "mbedtls/config_psa.h"
+
 #include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */