diff --git a/src/main/fc/fc_msp.c b/src/main/fc/fc_msp.c
index dc00c46818..c9b337c9f8 100644
--- a/src/main/fc/fc_msp.c
+++ b/src/main/fc/fc_msp.c
@@ -1210,7 +1210,7 @@ static mspResult_e mspFcProcessInCommand(uint16_t cmdMSP, sbuf_t *src)
         if (i < MAX_MODE_ACTIVATION_CONDITION_COUNT) {
             modeActivationCondition_t *mac = modeActivationConditionsMutable(i);
             i = sbufReadU8(src);
-            const box_t *box = findBoxByPermenantId(i);
+            const box_t *box = findBoxByPermanentId(i);
             if (box) {
                 mac->modeId = box->boxId;
                 mac->auxChannelIndex = sbufReadU8(src);
diff --git a/src/main/fc/fc_msp_box.c b/src/main/fc/fc_msp_box.c
index f64e89ef45..118f664174 100644
--- a/src/main/fc/fc_msp_box.c
+++ b/src/main/fc/fc_msp_box.c
@@ -89,7 +89,7 @@ const box_t *findBoxByActiveBoxId(uint8_t activeBoxId)
     return NULL;
 }
 
-const box_t *findBoxByPermenantId(uint8_t permenantId)
+const box_t *findBoxByPermanentId(uint8_t permenantId)
 {
     for (uint8_t boxIndex = 0; boxIndex < sizeof(boxes) / sizeof(box_t); boxIndex++) {
         const box_t *candidate = &boxes[boxIndex];