diff --git a/src/ChangeLog b/src/ChangeLog
index d50b20253b..1a73c765eb 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2004-10-25  José Matos  <jamatos@lyx.org>
+
+	* sgml.h: add #include <string>
+
 2004-10-25  José Matos  <jamatos@lyx.org>
 
 	* sgml.[Ch] (escapeString): new function to escape all the string.
diff --git a/src/sgml.h b/src/sgml.h
index 65eda14a1f..017086841b 100644
--- a/src/sgml.h
+++ b/src/sgml.h
@@ -16,6 +16,7 @@
 #include "support/types.h"
 
 #include <iosfwd>
+#include <string>
 #include <utility>
 
 class Buffer;