diff --git a/driver-vpi/Makefile.in b/driver-vpi/Makefile.in
index d93d5a207..25e4ff1b6 100644
--- a/driver-vpi/Makefile.in
+++ b/driver-vpi/Makefile.in
@@ -94,9 +94,11 @@ res.o: res.rc
 	$(WINDRES) -i res.rc -o res.o
 #
 
-install: all installdirs $(bindir)/iverilog-vpi$(suffix)@EXEEXT@
+install: all installdirs installfiles
 
-$(bindir)/iverilog-vpi$(suffix)@EXEEXT@: ./iverilog-vpi@EXEEXT@
+F = ./iverilog-vpi@EXEEXT@
+
+installfiles: $(F) installdirs
 	$(INSTALL_PROGRAM) ./iverilog-vpi@EXEEXT@ "$(bindir)/iverilog-vpi$(suffix)@EXEEXT@"
 ifeq (@WIN32@,yes)
 ifneq ($(HOSTCC),$(CC))