diff --git a/packaging/linux/openra-mimeinfo.xml.discord.in b/packaging/linux/openra-mimeinfo.xml.discord.in
index a87d1dc54e..fd8e5ddf43 100644
--- a/packaging/linux/openra-mimeinfo.xml.discord.in
+++ b/packaging/linux/openra-mimeinfo.xml.discord.in
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<mime-info xmlns='https://www.freedesktop.org/standards/shared-mime-info'>
+<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
   <mime-type type="x-scheme-handler/openra-{MODID}-{TAG}">
     <icon name="openra-{MODID}" />
     <generic-icon name="applications-games"/>
diff --git a/packaging/linux/openra-mimeinfo.xml.in b/packaging/linux/openra-mimeinfo.xml.in
index 2240980c0a..f4b7e37805 100644
--- a/packaging/linux/openra-mimeinfo.xml.in
+++ b/packaging/linux/openra-mimeinfo.xml.in
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<mime-info xmlns='https://www.freedesktop.org/standards/shared-mime-info'>
+<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
   <mime-type type="x-scheme-handler/openra-{MODID}-{TAG}">
     <icon name="openra-{MODID}" />
     <generic-icon name="applications-games"/>