diff --git a/src/libCom/osi/os/posix/osdSignal.cpp b/src/libCom/osi/os/posix/osdSignal.cpp
index e0a07a8b9..d629c0671 100644
--- a/src/libCom/osi/os/posix/osdSignal.cpp
+++ b/src/libCom/osi/os/posix/osdSignal.cpp
@@ -102,7 +102,7 @@ epicsShareFunc void epicsShareAPI epicsSignalInstallSigPipeIgnore (void)
 epicsShareFunc void epicsShareAPI epicsSignalInstallSigAlarmIgnore ( void ) 
 {
     localInstallSigHandler ( SIGALRM, 
-        ignoreSigUrg, & pReplacedSigAlarmFunc );
+        ignoreSigAlarm, & pReplacedSigAlarmFunc );
 }
 
 /*