diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index d9cc401..31c5e1d 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -51,6 +51,7 @@
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA)
 #define MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA     1
 #define MBEDTLS_ECDSA_DETERMINISTIC
+#define MBEDTLS_ECDSA_C
 #define MBEDTLS_HMAC_DRBG_C
 #define MBEDTLS_MD_C
 #endif /* MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA */