diff --git a/src/as/asCa.c b/src/as/asCa.c
index cacbe5b86..3c213e156 100644
--- a/src/as/asCa.c
+++ b/src/as/asCa.c
@@ -146,13 +146,15 @@ LOCAL void eventCallback(struct event_handler_args arg)
 
 LOCAL void asCaTask(void)
 {
+    static const int enablePreemption = 1;
     ASG		*pasg;
     ASGINP	*pasginp;
     CAPVT	*pcapvt;
     int		status;
 
     taskwdInsert(threadGetIdSelf(),NULL,NULL);
-    SEVCHK(ca_task_initialize(),"ca_task_initialize");
+    SEVCHK(ca_context_create(enablePreemption),
+        "asCaTask calling ca_context_create");
     SEVCHK(ca_add_exception_event(exceptionCallback,NULL),
         "ca_add_exception_event");
     while(TRUE) {