diff --git a/node/RuntimeEnvironment.hpp b/node/RuntimeEnvironment.hpp
index 10cc6ec03..7f5d8e0ce 100644
--- a/node/RuntimeEnvironment.hpp
+++ b/node/RuntimeEnvironment.hpp
@@ -66,6 +66,7 @@ public:
 #ifdef ZT_ENABLE_CLUSTER
 		,cluster((Cluster *)0)
 #endif
+		,dpEnabled(false)
 	{
 	}