diff --git a/ChangeLog b/ChangeLog
index 3ebd903eb..086def67b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2004-07-22  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
+	* src/tgbatest/explicit.test: Do not use `-i', it's not needed
+	and it is wrong to put it after `-e'.  Caught by Denis too.
+
 	* src/ltltest/reduc.test: Use `test a = b' not `test a == b'.
 	Reported by <Denis.Poitrenaud@lip6.fr> (failure on Cygwin).
 
diff --git a/src/tgbatest/explicit.test b/src/tgbatest/explicit.test
index 38a050bbb..76a06cc80 100755
--- a/src/tgbatest/explicit.test
+++ b/src/tgbatest/explicit.test
@@ -27,7 +27,7 @@ set -e
 
 run 0 ./explicit > stdout
 
-perl -pe -i 's/c & b/b & c/g' stdout
+perl -pe 's/c & b/b & c/g' stdout
 
 cat >expected <<EOF
 digraph G {