diff --git a/src/libCom/Makefile.Unix b/src/libCom/Makefile.Unix
index 0f8474631..ee804e1d1 100644
--- a/src/libCom/Makefile.Unix
+++ b/src/libCom/Makefile.Unix
@@ -38,6 +38,9 @@ depends: bld_errSym
 
 bld_errSym: $(OBDIR)/errSymTbl.c $(OBDIR)/errInc.o
 
+$(OBDIR)/errSymTbl.o: $(OBDIR)/errSymTbl.c $(OBDIR)/errInc.o
+	$(COMPILE.c) -o $@ $<
+
 $(OBDIR)/errSymTbl.c $(OBDIR)/errInc.o:
 	@/bin/rm -f errInc.o
 	@$(EPICS_BASE)/tools/blderrSymTbl
diff --git a/src/sequencer/Makefile.Unix b/src/sequencer/Makefile.Unix
index e812e9e51..fc6f3d889 100644
--- a/src/sequencer/Makefile.Unix
+++ b/src/sequencer/Makefile.Unix
@@ -36,6 +36,9 @@ $(OBDIR)/snc.c $(OBDIR)/y.tab.h: snc.y
 	/bin/mv y.tab.h $(OBDIR)
 	/bin/mv y.output $(OBDIR)
 
+$(OBDIR)/sncVersion.o: $(OBDIR)/sncVersion.c
+	$(COMPILE.c) -o $@ $<
+
 $(OBDIR)/sncVersion.c: Version
 	/bin/rm -f $(OBDIR)/sncVersion.c
 	sh makeVersion Version > sncVersion.c