diff --git a/board/raspberrypi/overlay/etc/os.conf b/board/raspberrypi/overlay/etc/os.conf
new file mode 100644
index 0000000000..3205490733
--- /dev/null
+++ b/board/raspberrypi/overlay/etc/os.conf
@@ -0,0 +1 @@
+OS_AP="ap0"
diff --git a/board/raspberrypi2/overlay/etc/os.conf b/board/raspberrypi2/overlay/etc/os.conf
new file mode 100644
index 0000000000..3205490733
--- /dev/null
+++ b/board/raspberrypi2/overlay/etc/os.conf
@@ -0,0 +1 @@
+OS_AP="ap0"
diff --git a/board/raspberrypi3/overlay/etc/os.conf b/board/raspberrypi3/overlay/etc/os.conf
new file mode 100644
index 0000000000..3205490733
--- /dev/null
+++ b/board/raspberrypi3/overlay/etc/os.conf
@@ -0,0 +1 @@
+OS_AP="ap0"
diff --git a/board/raspberrypi4/overlay/etc/os.conf b/board/raspberrypi4/overlay/etc/os.conf
new file mode 100644
index 0000000000..3205490733
--- /dev/null
+++ b/board/raspberrypi4/overlay/etc/os.conf
@@ -0,0 +1 @@
+OS_AP="ap0"