diff --git a/docs/reference/gio/gio-unix.toml.in b/docs/reference/gio/gio-unix.toml.in
index 3a9deb3bd..a411aa50d 100644
--- a/docs/reference/gio/gio-unix.toml.in
+++ b/docs/reference/gio/gio-unix.toml.in
@@ -41,6 +41,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/gio/gio-win32.toml.in b/docs/reference/gio/gio-win32.toml.in
index 84e75ce7c..f43c3ac6c 100644
--- a/docs/reference/gio/gio-win32.toml.in
+++ b/docs/reference/gio/gio-win32.toml.in
@@ -41,6 +41,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/gio/gio.toml.in b/docs/reference/gio/gio.toml.in
index cd62a1691..f81439671 100644
--- a/docs/reference/gio/gio.toml.in
+++ b/docs/reference/gio/gio.toml.in
@@ -36,6 +36,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/girepository/girepository.toml.in b/docs/reference/girepository/girepository.toml.in
index 4c16c11d2..c4d09808d 100644
--- a/docs/reference/girepository/girepository.toml.in
+++ b/docs/reference/girepository/girepository.toml.in
@@ -41,6 +41,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/glib/glib-unix.toml.in b/docs/reference/glib/glib-unix.toml.in
index 9280c1a34..2a3c36b78 100644
--- a/docs/reference/glib/glib-unix.toml.in
+++ b/docs/reference/glib/glib-unix.toml.in
@@ -42,6 +42,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/glib/glib-win32.toml.in b/docs/reference/glib/glib-win32.toml.in
index a9f624f99..62a6127fb 100644
--- a/docs/reference/glib/glib-win32.toml.in
+++ b/docs/reference/glib/glib-win32.toml.in
@@ -42,6 +42,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/glib/glib.toml.in b/docs/reference/glib/glib.toml.in
index 83acea5c4..31ee7893a 100644
--- a/docs/reference/glib/glib.toml.in
+++ b/docs/reference/glib/glib.toml.in
@@ -36,6 +36,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index
diff --git a/docs/reference/gobject/gobject.toml.in b/docs/reference/gobject/gobject.toml.in
index 8c2667244..ac17577d0 100644
--- a/docs/reference/gobject/gobject.toml.in
+++ b/docs/reference/gobject/gobject.toml.in
@@ -38,6 +38,9 @@ name = "basic"
 show_index_summary = true
 show_class_hierarchy = true
 
+[source-location]
+base_url = "https://gitlab.gnome.org/GNOME/glib/-/blob/main/"
+
 [extra]
 urlmap_file = "../urlmap.js"
 # The same order will be used when generating the index