diff --git a/lib/Makefile.jt65_Win b/lib/Makefile.jt65_Win
index ebaa3f45c..08a4d22cc 100644
--- a/lib/Makefile.jt65_Win
+++ b/lib/Makefile.jt65_Win
@@ -37,7 +37,7 @@ OBJS1 = astrosub.o astro0.o astro.o sun.o coord.o tmoonsub.o \
 	symspec.o analytic.o db.o \
 	encode232.o interleave9.o \
 	entail.o fano232.o gran.o sync9.o decjt9.o \
-	fil3.o decoder.o timer.o \
+	fil3.o decoder.o timer.o exp_decode65.o fqso_first.o \
 	twkfreq.o symspec2.o shell.o sync65.o peakup.o slope.o xcor.o\
 	fillcom.o chkss2.o zplot9.o flat1.o flat2.o \
 	jt65a.o symspec65.o flat65.o ccf65.o decode65a.o \
@@ -58,7 +58,7 @@ jt65: $(OBJS7) libjt9.a libsfrsd.a
 
 OBJS2 = jt65sim.o wavhdr.o
 jt65sim: $(OBJS2) libjt9.a
-	$(FC) -o jt65sim $(OBJS2) -L. -ljt9
+	$(FC) -o jt65sim $(OBJS2) -L. -ljt9 C:\JTSDK\fftw3f\libfftw3f-3.dll
 	$(CP) jt65sim.exe $(EXE_DIR)
 
 init_rs.o: init_rs.c
diff --git a/lib/packjt.f90 b/lib/packjt.f90
index 11090fe2c..8f44d682f 100644
--- a/lib/packjt.f90
+++ b/lib/packjt.f90
@@ -388,7 +388,7 @@ subroutine packbits(dbits,nsymd,m0,sym)
  900 return
  end subroutine unpackgrid
 
- subroutine packmsg(msg,dat,itype)
+ subroutine packmsg(msg0,dat,itype)
 
  ! Packs a JT4/JT9/JT65 message into twelve 6-bit symbols
 
@@ -404,13 +404,14 @@ subroutine packbits(dbits,nsymd,m0,sym)
 
    parameter (NBASE=37*36*10*27*27*27)
    parameter (NBASE2=262178562)
-   character*22 msg
+   character*22 msg0,msg
    integer dat(12)
    character*12 c1,c2
    character*4 c3
    character*6 grid6
    logical text1,text2,text3
 
+   msg=msg0
    itype=1
    call fmtmsg(msg,iz)