diff --git a/ChangeLog b/ChangeLog
index aace30f3af..9b18bad7ff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1999-11-03  Lars Gullik Bjønnes  <larsbj@lyx.org>
+
+	* src/support/lyxstring.C (compare): pass c_str()
+	(compare): pass c_str
+	(compare): pass c_str
+
 1999-11-03  Jean-Marc Lasgouttes  <Jean-Marc.Lasgouttes@inria.fr>
 
 	* src/support/DebugStream.C: <config.h> was not included correctly.
diff --git a/src/support/lyxstring.C b/src/support/lyxstring.C
index 2ed6bc9d8f..1d12bd51d2 100644
--- a/src/support/lyxstring.C
+++ b/src/support/lyxstring.C
@@ -1418,7 +1418,7 @@ int lyxstring::compare(lyxstring const & str) const
 {
 	TestlyxstringInvariant(this);
 
-	return compare(0, rep->sz, str.rep->s, str.rep->sz);
+	return compare(0, rep->sz, str.c_str(), str.rep->sz);
 }
 
 
@@ -1435,7 +1435,7 @@ int lyxstring::compare(size_type pos, size_type n, lyxstring const & str) const
 {
 	TestlyxstringInvariant(this);
 
-	return compare(pos, n, str.rep->s, str.rep->sz);
+	return compare(pos, n, str.c_str(), str.rep->sz);
 }
 
 
@@ -1444,7 +1444,7 @@ int lyxstring::compare(size_type pos, size_type n, lyxstring const & str,
 {
 	TestlyxstringInvariant(this);
 
-	return compare(pos, n, str.rep->s + pos2, n2);
+	return compare(pos, n, str.c_str() + pos2, n2);
 }