diff --git a/doc/guide.html b/doc/guide.html
index 6cf8f5ba8..6f4438d78 100644
--- a/doc/guide.html
+++ b/doc/guide.html
@@ -2327,7 +2327,7 @@ is replaced at start time with the real virtual host name.
 </DD><DT CLASS="dt-description"><B><TT>{access, AccessName}</TT></B></DT><DD CLASS="dd-description"> This option can be used to specify who
 may use the IRC transport (default value: <TT>all</TT>).
 </DD><DT CLASS="dt-description"><B><TT>{default_encoding, Encoding}</TT></B></DT><DD CLASS="dd-description"> Set the default IRC encoding.
-Default value: <TT>"koi8-r"</TT>
+Default value: <TT>"iso8859-1"</TT>
 </DD></DL><P>Examples:
 </P><UL CLASS="itemize"><LI CLASS="li-itemize">
 In the first example, the IRC transport is available on (all) your
diff --git a/doc/guide.tex b/doc/guide.tex
index 48900ce36..51804e226 100644
--- a/doc/guide.tex
+++ b/doc/guide.tex
@@ -3037,7 +3037,7 @@ Options:
 \titem{\{access, AccessName\}} \ind{options!access}This option can be used to specify who
   may use the IRC transport (default value: \term{all}).
 \titem{\{default\_encoding, Encoding\}} \ind{options!defaultencoding}Set the default IRC encoding.
-  Default value: \term{"koi8-r"}
+  Default value: \term{"iso8859-1"}
 \end{description}
 
 Examples: