diff --git a/src/pvAccess/channelLocal.cpp b/src/pvAccess/channelLocal.cpp
index 947d339..b63ac93 100644
--- a/src/pvAccess/channelLocal.cpp
+++ b/src/pvAccess/channelLocal.cpp
@@ -12,6 +12,7 @@
 #include <sstream>
 #include <vector>
 
+#include <asLib.h>
 #include <epicsGuard.h>
 #include <epicsThread.h>
 #include <pv/pvData.h>