diff --git a/src/modules/SX126x/SX126x.cpp b/src/modules/SX126x/SX126x.cpp
index aca4f15b..00a305c5 100644
--- a/src/modules/SX126x/SX126x.cpp
+++ b/src/modules/SX126x/SX126x.cpp
@@ -442,6 +442,11 @@ int16_t SX126x::scanChannel(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin)
   return(getChannelScanResult());
 }
 
+
+int16_t SX126x::sleep() {
+  return(SX126x::sleep(true));
+}
+
 int16_t SX126x::sleep(bool retainConfig) {
   // set RF switch (if present)
   this->mod->setRfSwitchState(Module::MODE_IDLE);
diff --git a/src/modules/SX126x/SX126x.h b/src/modules/SX126x/SX126x.h
index 2bd3a042..91cee5b6 100644
--- a/src/modules/SX126x/SX126x.h
+++ b/src/modules/SX126x/SX126x.h
@@ -552,7 +552,11 @@ class SX126x: public PhysicalLayer {
       or to false to discard current configuration ("cold start"). Defaults to true.
       \returns \ref status_codes
     */
-    int16_t sleep(bool retainConfig = true);
+
+
+    int16_t sleep(); 
+
+    int16_t sleep(bool retainConfig);
 
     /*!
       \brief Sets the module to standby mode (overload for PhysicalLayer compatibility, uses 13 MHz RC oscillator).
diff --git a/src/modules/SX128x/SX128x.cpp b/src/modules/SX128x/SX128x.cpp
index 0a5333f2..0cd83b5a 100644
--- a/src/modules/SX128x/SX128x.cpp
+++ b/src/modules/SX128x/SX128x.cpp
@@ -424,6 +424,10 @@ int16_t SX128x::scanChannel() {
   return(getChannelScanResult());
 }
 
+int16_t SX128x::sleep() {
+  return(SX128x::sleep(true));
+}
+
 int16_t SX128x::sleep(bool retainConfig) {
   // set RF switch (if present)
   this->mod->setRfSwitchState(Module::MODE_IDLE);
diff --git a/src/modules/SX128x/SX128x.h b/src/modules/SX128x/SX128x.h
index a68f6c5b..68a6954e 100644
--- a/src/modules/SX128x/SX128x.h
+++ b/src/modules/SX128x/SX128x.h
@@ -463,7 +463,10 @@ class SX128x: public PhysicalLayer {
       to discard current configuration and data buffer. Defaults to true.
       \returns \ref status_codes
     */
-    int16_t sleep(bool retainConfig = true);
+
+    int16_t sleep();
+
+    int16_t sleep(bool retainConfig);
 
     /*!
       \brief Sets the module to standby mode (overload for PhysicalLayer compatibility, uses 13 MHz RC oscillator).