diff --git a/.gitmodules b/.gitmodules
index b27d8ce..0605528 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "tmtc_core"]
-	path = tmtc_core
-	url = https://git.ksat-stuttgart.de/irs/eive/tmtc_core.git
+[submodule "tmtccmd"]
+	path = tmtccmd
+	url = https://github.com/rmspacefish/tmtccmd.git
diff --git a/tmtc_core b/tmtc_core
deleted file mode 160000
index dd623a5..0000000
--- a/tmtc_core
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit dd623a5ef72c46cdb99334bc7fd166e45bb2dd56
diff --git a/tmtccmd b/tmtccmd
new file mode 160000
index 0000000..9fc674c
--- /dev/null
+++ b/tmtccmd
@@ -0,0 +1 @@
+Subproject commit 9fc674cebea40bf6ebaf3b0f8b59dd51dda1d3b8