diff --git a/src/main/msp/msp.c b/src/main/msp/msp.c
index afe7c44c7c..9720c9c067 100644
--- a/src/main/msp/msp.c
+++ b/src/main/msp/msp.c
@@ -3596,4 +3596,5 @@ void mspFcProcessReply(mspPacket_t *reply)
 
 void mspInit(void)
 {
+    initActiveBoxIds();
 }