diff --git a/src/platform/PICO/bus_spi_pico.c b/src/platform/PICO/bus_spi_pico.c
index 4ecfd7ef5e..9bdb6dfc0c 100644
--- a/src/platform/PICO/bus_spi_pico.c
+++ b/src/platform/PICO/bus_spi_pico.c
@@ -302,7 +302,6 @@ void spiInitBusDMA(void)
             // no more available channels so give up
             return;
         }
-
         channel_rx = dma_claim_unused_channel(true);
         if (channel_rx == -1) {
             // no more available channels so give up, first releasing the one
@@ -311,6 +310,14 @@ void spiInitBusDMA(void)
             return;
         }
 
+        if (!dmaAllocate(DMA_CHANNEL_TO_IDENTIFIER(channel_tx), OWNER_SPI_SDO, device + 1) ||
+            !dmaAllocate(DMA_CHANNEL_TO_IDENTIFIER(channel_rx), OWNER_SPI_SDI, device + 1)) {
+            // This should never happen if all allocated channels are claimed
+            dma_channel_unclaim(channel_tx);
+            dma_channel_unclaim(channel_rx);
+            return;
+        }
+
         bus->dmaTx = &dmaDescriptors[DMA_CHANNEL_TO_INDEX(channel_tx)];
         bus->dmaTx->channel = channel_tx;
 
diff --git a/src/platform/PICO/include/platform/platform.h b/src/platform/PICO/include/platform/platform.h
index a263a3344a..0110506a0c 100644
--- a/src/platform/PICO/include/platform/platform.h
+++ b/src/platform/PICO/include/platform/platform.h
@@ -34,7 +34,7 @@
 #define PLATFORM_NO_LIBC             0
 #define DEFIO_PORT_PINS              64
 
-#if defined(RP2350A) || defined(RP2350B)
+#ifdef RP2350
 
 typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;