diff --git a/src/protocols/PhysicalLayer/PhysicalLayer.cpp b/src/protocols/PhysicalLayer/PhysicalLayer.cpp
index eee43ca6..77adf477 100644
--- a/src/protocols/PhysicalLayer/PhysicalLayer.cpp
+++ b/src/protocols/PhysicalLayer/PhysicalLayer.cpp
@@ -275,7 +275,6 @@ int32_t PhysicalLayer::random(int32_t max) {
   if(randNum < 0) {
     randNum *= -1;
   }
-  RADIOLIB_DEBUG_PRINTLN("%d", randNum);
   return(randNum % max);
 }
 
@@ -347,7 +346,7 @@ void PhysicalLayer::updateDirectBuffer(uint8_t bit) {
     this->syncBuffer <<= 1;
     this->syncBuffer |= bit;
 
-    RADIOLIB_VERBOSE_PRINTLN("S\t%X", this->syncBuffer);
+    RADIOLIB_VERBOSE_PRINTLN("S\t%lu", this->syncBuffer);
 
     if((this->syncBuffer & this->directSyncWordMask) == this->directSyncWord) {
       this->gotSync = true;