diff --git a/opal/mca/event/libevent2013/.windows b/opal/mca/event/libevent2013/.windows
index a6a3ac5ad0..4ff95dc143 100644
--- a/opal/mca/event/libevent2013/.windows
+++ b/opal/mca/event/libevent2013/.windows
@@ -9,5 +9,5 @@
 #
 
 not_single_shared_lib=1
-in_use=0
+in_use=1
 required_check=opal_event_config
\ No newline at end of file