diff --git a/.gitmodules b/.gitmodules
index fa5cad885d45fb1545559e3bf5157ed337dad4c8..d387b1b1378863f0a1bb0f4c3f63429c3057e780 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "ptp-noposix"]
 	path = ptp-noposix
-	url = git://gnudd.com/ptp-noposix.git
+	url = git://ohwr.org/white-rabbit/ppsi/ptp-noposix.git
diff --git a/ptp-noposix b/ptp-noposix
index 45c029e5fe5e64a75393b174d8e1478001916425..256f803b8bcf671383ba5dd6a6f8d8c433727296 160000
--- a/ptp-noposix
+++ b/ptp-noposix
@@ -1 +1 @@
-Subproject commit 45c029e5fe5e64a75393b174d8e1478001916425
+Subproject commit 256f803b8bcf671383ba5dd6a6f8d8c433727296