diff --git a/src/libCom/Makefile.Unix b/src/libCom/Makefile.Unix
index 5a8a0ed23..5f753a34f 100644
--- a/src/libCom/Makefile.Unix
+++ b/src/libCom/Makefile.Unix
@@ -11,7 +11,8 @@ SRCS = \
 	../ezsSockSubr.c ../fdmgr.c ../freeListLib.c ../genSubr.c \
 	../genTaskSubr.c ../gpHashLib.c ../helpSubr.c ../memDebugLib.c \
 	../nextFieldSubr.c ../postfix.c ../sydSubr.c ../sydSubrCA.c \
-	../sydSubrCF.c ../sydSubrSSF.c ../tsSubr.c errSymTbl.c ../errInc.c
+	../sydSubrCF.c ../sydSubrSSF.c ../tsSubr.c errSymTbl.c ../errInc.c \
+	../realpath.c
 
 LIBOBJS = \
 	tsSubr.o arAccessLib.o arCSCheck.o arChanIO.o bfSubr.o bucketLib.o \
@@ -19,7 +20,7 @@ LIBOBJS = \
         envSubr.o errMtst.o errSymLib.o errSymTbl.o ezsSockSubr.o fdmgr.o \
         freeListLib.o genSubr.o genTaskSubr.o gpHashLib.o helpSubr.o \
         memDebugLib.o nextFieldSubr.o postfix.o sydSubr.o sydSubrCA.o \
-        sydSubrCF.o sydSubrSSF.o
+        sydSubrCF.o sydSubrSSF.o realpath.o
 
 LIBNAME = libCom.a