diff --git a/include/villas/nodes/webrtc/peer_connection.hpp b/include/villas/nodes/webrtc/peer_connection.hpp
index 96dd6266f..06f7e0936 100644
--- a/include/villas/nodes/webrtc/peer_connection.hpp
+++ b/include/villas/nodes/webrtc/peer_connection.hpp
@@ -34,7 +34,7 @@
  *
  * Since libdatachannel 0.20, operator<< has been moved into the rtc namespace.
  */
-#if RTC_VERSION <= 0x001400
+#if RTC_VERSION < 0x001400
 namespace rtc {
 using ::operator<<;
 }