diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 81cf3417050..535f484436c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2005-10-21  Alan Modra  <amodra@bigpond.net.au>
+
+	* g++.dg/warn/Wconversion1.C: Use -fsigned-char.
+
 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR middle-end/24295
diff --git a/gcc/testsuite/g++.dg/warn/Wconversion1.C b/gcc/testsuite/g++.dg/warn/Wconversion1.C
index b3fbc30611a..203b90eef65 100644
--- a/gcc/testsuite/g++.dg/warn/Wconversion1.C
+++ b/gcc/testsuite/g++.dg/warn/Wconversion1.C
@@ -1,4 +1,4 @@
-// { dg-options "-Wconversion" }
+// { dg-options "-fsigned-char -Wconversion" }
 
 char c1 = 1024; // { dg-warning "overflow" }
 char c2 = char(1024);