diff --git a/src/osx/core/evtloop_cf.cpp b/src/osx/core/evtloop_cf.cpp
index d526f8e9ca..6dc470f817 100644
--- a/src/osx/core/evtloop_cf.cpp
+++ b/src/osx/core/evtloop_cf.cpp
@@ -278,7 +278,7 @@ bool wxCFEventLoop::Pending() const
 
 int wxCFEventLoop::DoProcessEvents()
 {
-    return DispatchTimeout( 1000 );
+    return DispatchTimeout( 0 );
 }
 
 bool wxCFEventLoop::Dispatch()