diff --git a/src/backend.c b/src/backend.c
index b38c11c..778df1e 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -1679,7 +1679,7 @@
 		}
 	}
 
-#if USE_OPENSSL && (defined(OPENSSL_IS_BORINGSSL) || (HA_OPENSSL_VERSION_NUMBER >= 0x10101000L))
+#if defined(USE_OPENSSL) && (defined(OPENSSL_IS_BORINGSSL) || (HA_OPENSSL_VERSION_NUMBER >= 0x10101000L))
 
 	if (!reuse && cli_conn && srv && srv_conn->mux &&
 	    (srv->ssl_ctx.options & SRV_SSL_O_EARLY_DATA) &&