Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -1816,10 +1816,15 @@
 				tls_support="OpenSSL"
 				TLS_LIBS="-l$ssl -l$crypto $TLS_LIBS"
 
 				AC_SUBST(OF_OPENSSL_TLS_STREAM_M,
 					"OFOpenSSLTLSStream.m")
+
+				old_LIBS="$LIBS"
+				LIBS="$TLS_LIBS $LIBS"
+				AC_CHECK_FUNCS(SSL_has_pending)
+				LIBS="$old_LIBS"
 			])
 		], [], [-l$crypto])
 	])
 
 	AS_IF([test x"$with_tls" = x"gnutls" \

Index: src/tls/OFOpenSSLTLSStream.m
==================================================================
--- src/tls/OFOpenSSLTLSStream.m
+++ src/tls/OFOpenSSLTLSStream.m
@@ -196,12 +196,17 @@
 	return bytesWritten;
 }
 
 - (bool)lowlevelHasDataInReadBuffer
 {
+#ifdef HAVE_SSL_HAS_PENDING
 	return (_underlyingStream.hasDataInReadBuffer ||
 	    SSL_has_pending(_SSL) || BIO_ctrl_pending(_readBIO) > 0);
+#else
+	return (_underlyingStream.hasDataInReadBuffer ||
+	    SSL_pending(_SSL) > 0 || BIO_ctrl_pending(_readBIO) > 0);
+#endif
 }
 
 - (void)asyncPerformClientHandshakeWithHost: (OFString *)host
 				runLoopMode: (OFRunLoopMode)runLoopMode
 {