diff --git a/src/modules/Si443x/Si4430.cpp b/src/modules/Si443x/Si4430.cpp
index 778ee9dd..9114ac4b 100644
--- a/src/modules/Si443x/Si4430.cpp
+++ b/src/modules/Si443x/Si4430.cpp
@@ -9,6 +9,7 @@ int16_t Si4430::begin(float freq, float br, float freqDev, float rxBw, int8_t po
   // execute common part
   int16_t state = Si443x::begin(br, freqDev, rxBw, preambleLen);
   RADIOLIB_ASSERT(state);
+  RADIOLIB_DEBUG_PRINTLN(F("M\tSi4430"));
 
   // configure publicly accessible settings
   state = setFrequency(freq);
diff --git a/src/modules/Si443x/Si4431.cpp b/src/modules/Si443x/Si4431.cpp
index 88e43396..6f406165 100644
--- a/src/modules/Si443x/Si4431.cpp
+++ b/src/modules/Si443x/Si4431.cpp
@@ -9,6 +9,7 @@ int16_t Si4431::begin(float freq, float br, float freqDev, float rxBw, int8_t po
   // execute common part
   int16_t state = Si443x::begin(br, freqDev, rxBw, preambleLen);
   RADIOLIB_ASSERT(state);
+  RADIOLIB_DEBUG_PRINTLN(F("M\tSi4431"));
 
   // configure publicly accessible settings
   state = setFrequency(freq);
diff --git a/src/modules/Si443x/Si4432.cpp b/src/modules/Si443x/Si4432.cpp
index 8037edcf..aef6dc53 100644
--- a/src/modules/Si443x/Si4432.cpp
+++ b/src/modules/Si443x/Si4432.cpp
@@ -9,6 +9,7 @@ int16_t Si4432::begin(float freq, float br, float freqDev, float rxBw, int8_t po
   // execute common part
   int16_t state = Si443x::begin(br, freqDev, rxBw, preambleLen);
   RADIOLIB_ASSERT(state);
+  RADIOLIB_DEBUG_PRINTLN(F("M\tSi4432"));
 
   // configure publicly accessible settings
   state = setFrequency(freq);
diff --git a/src/modules/Si443x/Si443x.cpp b/src/modules/Si443x/Si443x.cpp
index 4a424d69..fe1d15a6 100644
--- a/src/modules/Si443x/Si443x.cpp
+++ b/src/modules/Si443x/Si443x.cpp
@@ -18,7 +18,7 @@ int16_t Si443x::begin(float br, float freqDev, float rxBw, uint8_t preambleLen)
     _mod->term(RADIOLIB_USE_SPI);
     return(ERR_CHIP_NOT_FOUND);
   } else {
-    RADIOLIB_DEBUG_PRINTLN(F("Found Si443x!"));
+    RADIOLIB_DEBUG_PRINTLN(F("M\tSi443x"));
   }
 
   // clear POR interrupt
@@ -609,7 +609,7 @@ bool Si443x::findChip() {
     reset();
 
     // check version register
-    int16_t version = getChipVersion();
+    uint8_t version = _mod->SPIreadRegister(SI443X_REG_DEVICE_VERSION);
     if(version == SI443X_DEVICE_VERSION) {
       flagFound = true;
     } else {
@@ -618,8 +618,8 @@ bool Si443x::findChip() {
         RADIOLIB_DEBUG_PRINT(i + 1);
         RADIOLIB_DEBUG_PRINT(F(" of 10 tries) SI443X_REG_DEVICE_VERSION == "));
 
-        char buffHex[12];
-        sprintf(buffHex, "0x%04X", version);
+        char buffHex[5];
+        sprintf(buffHex, "0x%02X", version);
         RADIOLIB_DEBUG_PRINT(buffHex);
         RADIOLIB_DEBUG_PRINT(F(", expected 0x00"));
         RADIOLIB_DEBUG_PRINTLN(SI443X_DEVICE_VERSION, HEX);