diff --git a/src/modules/nRF24/nRF24.cpp b/src/modules/nRF24/nRF24.cpp
index e8df4e13..135e75af 100644
--- a/src/modules/nRF24/nRF24.cpp
+++ b/src/modules/nRF24/nRF24.cpp
@@ -489,7 +489,7 @@ int16_t nRF24::setAutoAck(uint8_t pipeNum, bool autoAckOn){
   }
 }
 
-int16_t nRF24::setDataShaping(float sh) {
+int16_t nRF24::setDataShaping(uint8_t sh) {
   // nRF24 is unable to set data shaping
   // this method is implemented only for PhysicalLayer compatibility
   (void)sh;
diff --git a/src/modules/nRF24/nRF24.h b/src/modules/nRF24/nRF24.h
index d41e683f..d1e7a8b3 100644
--- a/src/modules/nRF24/nRF24.h
+++ b/src/modules/nRF24/nRF24.h
@@ -453,7 +453,7 @@ class nRF24: public PhysicalLayer {
 
       \returns \ref status_codes
     */
-    int16_t setDataShaping(float sh) override;
+    int16_t setDataShaping(uint8_t sh) override;
 
     /*!
       \brief Dummy encoding configuration method, to ensure PhysicalLayer compatibility.