diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 393eb7e..8dd9f2a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,6 +22,7 @@ set(GNS_COMMON_SRCS
 	"steamnetworkingsockets/steamnetworkingsockets_shared.cpp"
 	"tier0/dbg.cpp"
 	"tier0/platformtime.cpp"
+	"tier0/valve_tracelogging.cpp"
 	"tier1/netadr.cpp"
 	"tier1/utlbuffer.cpp"
 	"tier1/utlmemory.cpp"