diff --git a/modules/libcom/test/epicsErrlogTest.c b/modules/libcom/test/epicsErrlogTest.c
index cd26a05b8..16a04a73c 100644
--- a/modules/libcom/test/epicsErrlogTest.c
+++ b/modules/libcom/test/epicsErrlogTest.c
@@ -410,7 +410,9 @@ MAIN(epicsErrlogTest)
     testOk(1 == errlogRemoveListeners(&logClient, &pvt),
         "Removed 1 listener");
 
+    osiSockAttach();
     testLogPrefix();
+    osiSockRelease();
 
     return testDone();
 }