diff --git a/.gitmodules b/.gitmodules
index 094a050..9c225d5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,15 +1,15 @@
 [submodule "doc"]
 	path = doc
-	url = https://repo.or.cz/minetest_doc.git
+	url = http://repo.or.cz/minetest_doc.git
 [submodule "doc_items"]
 	path = doc_items
-	url = https://repo.or.cz/minetest_doc_items.git
+	url = http://repo.or.cz/minetest_doc_items.git
 [submodule "doc_identifier"]
 	path = doc_identifier
-	url = https://repo.or.cz/minetest_doc_identifier.git
+	url = http://repo.or.cz/minetest_doc_identifier.git
 [submodule "doc_basics"]
 	path = doc_basics
-	url = https://repo.or.cz/minetest_doc_basics.git
+	url = http://repo.or.cz/minetest_doc_basics.git
 [submodule "doc_encyclopedia"]
 	path = doc_encyclopedia
-	url = https://repo.or.cz/minetest_doc_encyclopedia.git
+	url = http://repo.or.cz/minetest_doc_encyclopedia.git