diff --git a/src/dev/softDev/Makefile b/src/dev/softDev/Makefile
index 3cfba9472..f6c1b1c85 100644
--- a/src/dev/softDev/Makefile
+++ b/src/dev/softDev/Makefile
@@ -47,7 +47,7 @@ LIBSRCS += devMbboSoftCallback.c
 LIBSRCS += devMbboDirectSoftCallback.c
 LIBSRCS += devSoSoftCallback.c
 
-LIBSRCS += devTimestampSI.c
+LIBSRCS += devTimestamp.c
 
 LIBRARY_IOC += softDevIoc
 softDevIoc_LIBS += recIoc asIoc dbIoc registryIoc dbStaticIoc ca Com