diff --git a/index.html b/index.html
index f2a45e30e..3d76e83d5 100644
--- a/index.html
+++ b/index.html
@@ -76,7 +76,7 @@
     <h2><a name="Links">Links</a></h2>
     <ul class="right">
       <li>
-        <a href="https://github.com/cc65/cc65">Source Code</a>
+        <a href="http://github.com/cc65/cc65">Source Code</a>
       </li>
       <li>
         <a href="http://sourceforge.net/projects/cc65/files/cc65-snapshot-win64.zip">
@@ -87,14 +87,14 @@
         <a href="../doc">Documentation</a>
       </li>
       <li>
-        <a href="https://github.com/cc65/wiki/wiki">Wiki</a>
+        <a href="http://github.com/cc65/wiki/wiki">Wiki</a>
       </li>
       <li>
         <a href="http://sourceforge.net/projects/cc65/files/contrib">User Contributions</a>
       </li>
       <li>
-        <a href="https://travis-ci.org/cc65/cc65/builds">
-          <img src="https://travis-ci.org/cc65/cc65.png" alt="Build Status"/>
+        <a href="http://travis-ci.org/cc65/cc65/builds">
+          <img src="http://travis-ci.org/cc65/cc65.png" alt="Build Status"/>
         </a>
       </li>
     </ul>
diff --git a/mailing-lists.html b/mailing-lists.html
index 1e9ba0ff9..04c06ad05 100644
--- a/mailing-lists.html
+++ b/mailing-lists.html
@@ -33,13 +33,13 @@
     <p>This mailing list makes up the primary communication media of the cc65
        community. Make sure to subscribe to it if you want to be part of cc65.
        <ul class="right">
-         <li><a href="https://lists.sourceforge.net/lists/listinfo/cc65-devel">
+         <li><a href="http://lists.sourceforge.net/lists/listinfo/cc65-devel">
              Subscription</a>
          </li>
-         <li><a href="https://sourceforge.net/p/cc65/mailman/cc65-devel">
+         <li><a href="http://sourceforge.net/p/cc65/mailman/cc65-devel">
              Archive</a>
          </li>
-         <li><form method="get" action="https://sourceforge.net/p/cc65/mailman/search">Search
+         <li><form method="get" action="http://sourceforge.net/p/cc65/mailman/search">Search
                <input type="text" name="q" maxlength="255"/>
                <input type="hidden" name="mail_list" value="cc65-devel"/>
                <input type="submit" value="SourceForge Search"/>
@@ -49,16 +49,16 @@
     </p>
     <h2><a name="cc65-git">cc65 Git Commits</a></h2>
     <p>This mailing list receives a message for every push to the
-       <a href="https://github.com/cc65/cc65">GitHub cc65 source code repository</a>.
+       <a href="http://github.com/cc65/cc65">GitHub cc65 source code repository</a>.
        Subcribe to it if you want to be informed of every change made to the source code.
        <ul class="right">
-         <li><a href="https://lists.sourceforge.net/lists/listinfo/cc65-git">
+         <li><a href="http://lists.sourceforge.net/lists/listinfo/cc65-git">
              Subscription</a>
          </li>
-         <li><a href="https://sourceforge.net/p/cc65/mailman/cc65-git">
+         <li><a href="http://sourceforge.net/p/cc65/mailman/cc65-git">
              Archive</a>
          </li>
-         <li><form method="get" action="https://sourceforge.net/p/cc65/mailman/search">Search
+         <li><form method="get" action="http://sourceforge.net/p/cc65/mailman/search">Search
                <input type="text" name="q" maxlength="255"/>
                <input type="hidden" name="mail_list" value="cc65-git"/>
                <input type="submit" value="SourceForge Search"/>