diff --git a/.gitmodules b/.gitmodules
index 1a85cc2..6707cec 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,5 @@
 [submodule "libopencm3"]
 	path = libopencm3
-	url = https://github.com/libopencm3/libopencm3
+	url = https://github.com/manuelbl/libopencm3
 	ignore = all
+	branch = no-vbus-sensing
diff --git a/libopencm3 b/libopencm3
index cb0661f..2b603ff 160000
--- a/libopencm3
+++ b/libopencm3
@@ -1 +1 @@
-Subproject commit cb0661f81de5b1cae52ca99c7b5985b678176db7
+Subproject commit 2b603ff2af1ca41af5dc48c3b3e237a9cee9e7e7