diff --git a/components/mbedtls/port/ecdsa/ecdsa_alt.c b/components/mbedtls/port/ecdsa/ecdsa_alt.c
index 1f46381987..752b046d0c 100644
--- a/components/mbedtls/port/ecdsa/ecdsa_alt.c
+++ b/components/mbedtls/port/ecdsa/ecdsa_alt.c
@@ -674,7 +674,7 @@ int __wrap_mbedtls_ecdsa_verify(mbedtls_ecp_group *grp,
                          const mbedtls_mpi *r,
                          const mbedtls_mpi *s)
 {
-    if (grp->id == MBEDTLS_ECP_DP_SECP192R1 || grp->id == MBEDTLS_ECP_DP_SECP256R1) {
+    if ((grp->id == MBEDTLS_ECP_DP_SECP192R1 || grp->id == MBEDTLS_ECP_DP_SECP256R1) && blen == ECDSA_SHA_LEN) {
         return esp_ecdsa_verify(grp, buf, blen, Q, r, s);
     } else {
         return __real_mbedtls_ecdsa_verify(grp, buf, blen, Q, r, s);