diff --git a/.gitmodules b/.gitmodules
index 0f151c9..3d066f8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,9 @@
 [submodule "src/interface"]
 	path = src/interface
 	url = https://github.com/lathoub/AbstractMIDIinterface
+[submodule "midi-Common"]
+	path = midi-Common
+	url = https://github.com/lathoub/midi-Common
+[submodule "src/common"]
+	path = src/common
+	url = https://github.com/lathoub/midi-Common
diff --git a/midi-Common b/midi-Common
new file mode 160000
index 0000000..8f74508
--- /dev/null
+++ b/midi-Common
@@ -0,0 +1 @@
+Subproject commit 8f745084c39e6016f0ea7afad95973342c6f7e0e
diff --git a/src/Ble_esp32.h b/src/Ble_esp32.h
index a35a095..cccdbcd 100644
--- a/src/Ble_esp32.h
+++ b/src/Ble_esp32.h
@@ -6,7 +6,7 @@
 #include <BLEServer.h>
 #include <BLE2902.h>
 
-#include "interface/midiCommon.h"
+#include "common/midiCommon.h"
 using namespace Midi;
 
 BEGIN_BLEMIDI_NAMESPACE
diff --git a/src/common b/src/common
new file mode 160000
index 0000000..8f74508
--- /dev/null
+++ b/src/common
@@ -0,0 +1 @@
+Subproject commit 8f745084c39e6016f0ea7afad95973342c6f7e0e