diff --git a/tests/test-encoding b/tests/test-encoding
--- a/tests/test-encoding
+++ b/tests/test-encoding
@@ -16,17 +16,17 @@ EOF
 echo % should fail with encoding error
 echo "plain old ascii" > a
 hg st
-HGENCODING=ascii hg ci -l latin-1 -d "0 0"
+HGENCODING=ascii hg ci -l latin-1 -d "1000000 0"
 
 echo % these should work
 echo "latin-1" > a
-HGENCODING=latin-1 hg ci -l latin-1 -d "0 0"
+HGENCODING=latin-1 hg ci -l latin-1 -d "1000000 0"
 echo "utf-8" > a
-HGENCODING=utf-8 hg ci -l utf-8 -d "0 0"
+HGENCODING=utf-8 hg ci -l utf-8 -d "1000000 0"
 
-HGENCODING=latin-1 hg tag -d "0 0" `cat latin-1-tag`
+HGENCODING=latin-1 hg tag -d "1000000 0" `cat latin-1-tag`
 cp latin-1-tag .hg/branch
-HGENCODING=latin-1 hg ci -d "0 0" -m 'latin1 branch'
+HGENCODING=latin-1 hg ci -d "1000000 0" -m 'latin1 branch'
 rm .hg/branch
 
 echo % ascii
@@ -49,6 +49,6 @@ echo % utf-8
 HGENCODING=utf-8 hg branches
 
 echo '[ui]' >> .hg/hgrc
-echo 'fallbackencoding = euc-jp' >> .hg/hgrc
+echo 'fallbackencoding = koi8-r' >> .hg/hgrc
 echo % utf-8
 HGENCODING=utf-8 hg log