diff --git a/src/cas/generic/casMonEvent.cc b/src/cas/generic/casMonEvent.cc
index a4e30eaa1..2e5079437 100644
--- a/src/cas/generic/casMonEvent.cc
+++ b/src/cas/generic/casMonEvent.cc
@@ -21,6 +21,7 @@
 #include "casEventSysIL.h" // casEventSys in line func
 #include "casMonEventIL.h" // casMonEvent in line func
 #include "casCtxIL.h" // casCtx in line func
+#include "casCoreClientIL.h" // casCoreClient in line func
 
 //
 // casMonEvent::cbFunc()
diff --git a/src/cas/generic/st/casStreamOS.cc b/src/cas/generic/st/casStreamOS.cc
index 82606d9a6..676074d25 100644
--- a/src/cas/generic/st/casStreamOS.cc
+++ b/src/cas/generic/st/casStreamOS.cc
@@ -24,6 +24,7 @@
 #include "server.h"
 #include "inBufIL.h" // inBuf inline func
 #include "outBufIL.h" // outBuf inline func
+#include "casCoreClientIL.h" // casCoreClient in line func
 
 //
 // casStreamReadReg