diff --git a/.gitmodules b/.gitmodules
index f78a659..f1ae75b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "ws2020/theo/lectures"]
 	path = ws2020/theo/lectures
 	url = https://git.flavigny.de/christian/theo-lecture
+[submodule "ws2020/wtheo/uebungen"]
+	path = ws2020/wtheo/uebungen
+	url = gitea:christian/wtheo-zettel
diff --git a/ws2020/wtheo/uebungen b/ws2020/wtheo/uebungen
new file mode 160000
index 0000000..5c0c1a5
--- /dev/null
+++ b/ws2020/wtheo/uebungen
@@ -0,0 +1 @@
+Subproject commit 5c0c1a5904f9777dbadfc9f48d47f17c3b212679