diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 8600c61846b192..71ce331ef94276 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -3185,7 +3185,7 @@ void Curl_ossl_md5sum(unsigned char *tmp, /* input */
   MD5_Final(md5sum, &MD5pw);
 }
 
-#ifndef OPENSSL_NO_SHA256
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
 void Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
                       size_t tmplen,
                       unsigned char *sha256sum /* output */,
diff --git a/lib/vtls/openssl.h b/lib/vtls/openssl.h
index a1f347a0597467..27738cc30151fc 100644
--- a/lib/vtls/openssl.h
+++ b/lib/vtls/openssl.h
@@ -108,7 +108,7 @@ bool Curl_ossl_cert_status_request(void);
 #define curlssl_data_pending(x,y) Curl_ossl_data_pending(x,y)
 #define curlssl_random(x,y,z) Curl_ossl_random(x,y,z)
 #define curlssl_md5sum(a,b,c,d) Curl_ossl_md5sum(a,b,c,d)
-#ifndef OPENSSL_NO_SHA256
+#if (OPENSSL_VERSION_NUMBER >= 0x0090800fL) && !defined(OPENSSL_NO_SHA256)
 #define curlssl_sha256sum(a,b,c,d) Curl_ossl_sha256sum(a,b,c,d)
 #endif
 #define curlssl_cert_status_request() Curl_ossl_cert_status_request()