diff --git a/src/main/drivers/vtx_common.c b/src/main/drivers/vtx_common.c
index 55381e8459..422e090a90 100644
--- a/src/main/drivers/vtx_common.c
+++ b/src/main/drivers/vtx_common.c
@@ -128,30 +128,44 @@ bool vtxCommonGetDeviceCapability(const vtxDevice_t *vtxDevice, vtxDeviceCapabil
 
 const char *vtxCommonLookupBandName(const vtxDevice_t *vtxDevice, int band)
 {
-    return vtxDevice->bandNames[band];
+    if (vtxDevice) {
+        return vtxDevice->bandNames[band];
+    } else {
+        return "?";
+    }
 }
 
 char vtxCommonLookupBandLetter(const vtxDevice_t *vtxDevice, int band)
 {
-    return vtxDevice->bandLetters[band];
+    if (vtxDevice) {
+        return vtxDevice->bandLetters[band];
+    } else {
+        return '?';
+    }
 }
 
 const char *vtxCommonLookupChannelName(const vtxDevice_t *vtxDevice, int channel)
 {
-    return vtxDevice->channelNames[channel];
+    if (vtxDevice) {
+        return vtxDevice->channelNames[channel];
+    } else {
+        return "?";
+    }
 }
 
 //Converts frequency (in MHz) to band and channel values.
 bool vtxCommonLookupBandChan(const vtxDevice_t *vtxDevice, uint16_t freq, uint8_t *pBand, uint8_t *pChannel)
 {
-    // Use reverse lookup order so that 5880Mhz
-    // get Raceband 7 instead of Fatshark 8.
-    for (int band = vtxDevice->capability.bandCount - 1 ; band >= 0 ; band--) {
-        for (int channel = 0 ; channel < vtxDevice->capability.channelCount ; channel++) {
-            if (vtxDevice->frequencyTable[band * vtxDevice->capability.channelCount + channel] == freq) {
-                *pBand = band + 1;
-                *pChannel = channel + 1;
-                return true;
+    if (vtxDevice) {
+        // Use reverse lookup order so that 5880Mhz
+        // get Raceband 7 instead of Fatshark 8.
+        for (int band = vtxDevice->capability.bandCount - 1 ; band >= 0 ; band--) {
+            for (int channel = 0 ; channel < vtxDevice->capability.channelCount ; channel++) {
+                if (vtxDevice->frequencyTable[band * vtxDevice->capability.channelCount + channel] == freq) {
+                    *pBand = band + 1;
+                    *pChannel = channel + 1;
+                    return true;
+                }
             }
         }
     }
@@ -168,21 +182,31 @@ bool vtxCommonLookupBandChan(const vtxDevice_t *vtxDevice, uint16_t freq, uint8_
 // Returns frequency value (in MHz), or 0 if band/channel out of range.
 uint16_t vtxCommonLookupFrequency(const vtxDevice_t *vtxDevice, int band, int channel)
 {
-    if (vtxDevice && band > 0 && band <= vtxDevice->capability.bandCount &&
-                          channel > 0 && channel <= vtxDevice->capability.channelCount) {
-        return vtxDevice->frequencyTable[(band - 1) * vtxDevice->capability.channelCount + (channel - 1)];
-
+    if (vtxDevice) {
+        if (band > 0 && band <= vtxDevice->capability.bandCount &&
+                              channel > 0 && channel <= vtxDevice->capability.channelCount) {
+            return vtxDevice->frequencyTable[(band - 1) * vtxDevice->capability.channelCount + (channel - 1)];
+        }
     }
+
     return 0;
 }
 
 const char *vtxCommonLookupPowerName(const vtxDevice_t *vtxDevice, int index)
 {
-    return vtxDevice->powerNames[index];
+    if (vtxDevice) {
+        return vtxDevice->powerNames[index];
+    } else {
+        return "?";
+    }
 }
 
 uint16_t vtxCommonLookupPowerValue(const vtxDevice_t *vtxDevice, int index)
 {
-    return vtxDevice->powerValues[index];
+    if (vtxDevice) {
+        return vtxDevice->powerValues[index];
+    } else {
+        return 0;
+    }
 }
 #endif