diff --git a/include/villas/node/config.hpp.in b/include/villas/node/config.hpp.in
index cb4423a5e..73c16c651 100644
--- a/include/villas/node/config.hpp.in
+++ b/include/villas/node/config.hpp.in
@@ -61,4 +61,4 @@
 #cmakedefine RABBITMQ_C_NEW_INCLUDE_DIR
 
 /* Library versions */
-#define RTC_VERSION ((@LibDataChannel_VERSION_MAJOR@ << 16) | (@LibDataChannel_VERSION_MINOR@ << 8) | (@LibDataChannel_VERSION_PATCH@ << 0))
+#define RTC_VERSION_NUM ((@LibDataChannel_VERSION_MAJOR@ << 16) | (@LibDataChannel_VERSION_MINOR@ << 8) | (@LibDataChannel_VERSION_PATCH@ << 0))
diff --git a/include/villas/nodes/webrtc/peer_connection.hpp b/include/villas/nodes/webrtc/peer_connection.hpp
index 546149ad5..3afc19723 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_NUM < 0x001400
 namespace rtc {
 using ::operator<<;
 }
diff --git a/lib/nodes/webrtc.cpp b/lib/nodes/webrtc.cpp
index 6e7cd6b14..fdbb248e6 100644
--- a/lib/nodes/webrtc.cpp
+++ b/lib/nodes/webrtc.cpp
@@ -31,7 +31,7 @@ WebRTCNode::WebRTCNode(const uuid_t &id, const std::string &name)
       peer(uuid::toString(id)), wait_seconds(0), formatter(), queue({}),
       pool({}), dci({}) {
 
-#if RTC_VERSION < 0x001400
+#if RTC_VERSION_NUM < 0x001400
   dci.reliability.type = rtc::Reliability::Type::Rexmit;
 #else
   dci.reliability.maxRetransmits = 0;