diff --git a/.gitmodules b/.gitmodules
index 6d550ea6e..934bb412e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -412,6 +412,9 @@
 [submodule "main/applications/potracegui"]
 	path = main/applications/potracegui
 	url = https://system@scm.trinitydesktop.org/scm/git/potracegui
+[submodule "main/applications/qalculate-tde"]
+	path = main/applications/qalculate-tde
+	url = https://system@scm.trinitydesktop.org/scm/git/qalculate-tde
 [submodule "main/applications/qt4-tqt-theme-engine"]
 	path = main/applications/qt4-tqt-theme-engine
 	url = https://system@scm.trinitydesktop.org/scm/git/qt4-tqt-theme-engine
diff --git a/main/applications/qalculate-tde b/main/applications/qalculate-tde
new file mode 160000
index 000000000..1190a1268
--- /dev/null
+++ b/main/applications/qalculate-tde
@@ -0,0 +1 @@
+Subproject commit 1190a126886b59ca9caa4d5839b1b71de780d1c6