diff --git a/src/main/msp/msp.c b/src/main/msp/msp.c
index 6a659cfd2b..9fb496c483 100644
--- a/src/main/msp/msp.c
+++ b/src/main/msp/msp.c
@@ -1653,6 +1653,8 @@ static bool mspProcessOutCommand(int16_t cmdMSP, sbuf_t *dst)
         sbufWriteU8(dst, blackboxGetRateDenom());
         sbufWriteU16(dst, blackboxGetPRatio());
         sbufWriteU8(dst, blackboxConfig()->sample_rate);
+        // Added in MSP API 1.45
+        sbufWriteU32(dst, blackboxConfig()->fields_disabled_mask);
 #else
         sbufWriteU8(dst, 0); // Blackbox not supported
         sbufWriteU8(dst, 0);
@@ -1660,6 +1662,8 @@ static bool mspProcessOutCommand(int16_t cmdMSP, sbuf_t *dst)
         sbufWriteU8(dst, 0);
         sbufWriteU16(dst, 0);
         sbufWriteU8(dst, 0);
+        // Added in MSP API 1.45
+        sbufWriteU32(dst, 0);
 #endif
         break;
 
@@ -2892,6 +2896,11 @@ static mspResult_e mspProcessInCommand(mspDescriptor_t srcDesc, int16_t cmdMSP,
                 // sample_rate not specified in MSP, so calculate it from old p_ratio
                 blackboxConfigMutable()->sample_rate = blackboxCalculateSampleRate(pRatio);
             }
+
+            // Added in MSP API 1.45
+            if (sbufBytesRemaining(src) >= 4) {
+                blackboxConfigMutable()->fields_disabled_mask = sbufReadU32(src);
+            }
         }
         break;
 #endif