diff --git a/src/testdir/Make_amiga.mak b/src/testdir/Make_amiga.mak
index a5855c3..df77e4d 100644
--- a/src/testdir/Make_amiga.mak
+++ b/src/testdir/Make_amiga.mak
@@ -26,7 +26,7 @@
 	csh -c echo ALL DONE
 
 clean:
-	csh -c \rm -rf *.out /tmp/* Xdotest small.vim tiny.vim mbyte.vim test.ok viminfo
+	csh -c \rm -rf *.out Xdir1 Xfind XfakeHOME Xdotest small.vim tiny.vim mbyte.vim test.ok viminfo
 
 .in.out:
 	copy $*.ok test.ok
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
index d3c1184..470f41e 100644
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -84,7 +84,7 @@
 RUN_VIM = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(VIMPROG) -f $(GUI_FLAG) -u unix.vim $(NO_INITS) -s dotest.in
 
 clean:
-	-rm -rf *.out *.failed *.res *.rej *.orig
+	-rm -rf *.out *.failed *.res *.rej *.orig XfakeHOME Xdir1 Xfind
 	-rm -f opt_test.vim test.log test_result.log messages
 	-rm -f $(RM_ON_RUN) $(RM_ON_START)
 	-rm -f valgrind.*
diff --git a/src/version.c b/src/version.c
index 2c370da..b5aac1a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1637,
+/**/
     1636,
 /**/
     1635,