diff --git a/src/main/rx/fport.c b/src/main/rx/fport.c
index bc05af05f3..357792d846 100644
--- a/src/main/rx/fport.c
+++ b/src/main/rx/fport.c
@@ -338,7 +338,7 @@ static uint8_t fportFrameStatus(rxRuntimeConfig_t *rxRuntimeConfig)
 
 bool fportRxInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
 {
-    static uint32_t sbusChannelData[SBUS_MAX_CHANNEL];
+    static uint16_t sbusChannelData[SBUS_MAX_CHANNEL];
     rxRuntimeConfig->channelData = sbusChannelData;
     sbusChannelsInit(rxConfig, rxRuntimeConfig);
 
diff --git a/src/main/rx/rx.h b/src/main/rx/rx.h
index 029e983ffe..cf9a51cf37 100644
--- a/src/main/rx/rx.h
+++ b/src/main/rx/rx.h
@@ -157,7 +157,7 @@ typedef struct rxRuntimeConfig_s {
     uint16_t            rxRefreshRate;
     rcReadRawDataFnPtr  rcReadRawFn;
     rcFrameStatusFnPtr  rcFrameStatusFn;
-    uint32_t            *channelData;
+    uint16_t            *channelData;
     void                *frameData;
 } rxRuntimeConfig_t;
 
diff --git a/src/main/rx/sbus.c b/src/main/rx/sbus.c
index 8195374244..a3696dcb14 100644
--- a/src/main/rx/sbus.c
+++ b/src/main/rx/sbus.c
@@ -160,7 +160,7 @@ static uint8_t sbusFrameStatus(rxRuntimeConfig_t *rxRuntimeConfig)
 
 bool sbusInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
 {
-    static uint32_t sbusChannelData[SBUS_MAX_CHANNEL];
+    static uint16_t sbusChannelData[SBUS_MAX_CHANNEL];
     static sbusFrameData_t sbusFrameData;
 
     rxRuntimeConfig->channelData = sbusChannelData;
diff --git a/src/main/rx/sbus_channels.c b/src/main/rx/sbus_channels.c
index f7d1baa090..4bc62cf9f9 100644
--- a/src/main/rx/sbus_channels.c
+++ b/src/main/rx/sbus_channels.c
@@ -38,7 +38,7 @@
 
 uint8_t sbusChannelsDecode(rxRuntimeConfig_t *rxRuntimeConfig, const sbusChannels_t *channels)
 {
-    uint32_t *sbusChannelData = rxRuntimeConfig->channelData;
+    uint16_t *sbusChannelData = rxRuntimeConfig->channelData;
     sbusChannelData[0] = channels->chan0;
     sbusChannelData[1] = channels->chan1;
     sbusChannelData[2] = channels->chan2;