diff --git a/examples/NonArduino/Raspberry/PiHal.h b/examples/NonArduino/Raspberry/PiHal.h
index 695dc523..8394ad23 100644
--- a/examples/NonArduino/Raspberry/PiHal.h
+++ b/examples/NonArduino/Raspberry/PiHal.h
@@ -129,7 +129,7 @@ class PiHal : public RadioLibHal {
     void spiBeginTransaction() {}
 
     void spiTransfer(uint8_t* out, size_t len, uint8_t* in) {
-      spiXfer(_spiHandle, (char*)out, in, len);
+      spiXfer(_spiHandle, (char*)out, (char*)in, len);
     }
 
     void spiEndTransaction() {}
diff --git a/extras/test/SX126x/PiHal.h b/extras/test/SX126x/PiHal.h
index e8c27db0..9bf4f8f1 100644
--- a/extras/test/SX126x/PiHal.h
+++ b/extras/test/SX126x/PiHal.h
@@ -127,11 +127,9 @@ class PiHal : public RadioLibHal {
     }
 
     void spiBeginTransaction() {}
-
-    uint8_t spiTransfer(uint8_t b) {
-      char ret;
-      spiXfer(_spiHandle, (char*)&b, &ret, 1);
-      return(ret);
+    
+    void spiTransfer(uint8_t* out, size_t len, uint8_t* in) {
+      spiXfer(_spiHandle, (char*)out, (char*)in, len);
     }
 
     void spiEndTransaction() {}