diff --git a/src/utility/ATT.cpp b/src/utility/ATT.cpp
index dfa0838a..c28e24d3 100644
--- a/src/utility/ATT.cpp
+++ b/src/utility/ATT.cpp
@@ -351,7 +351,7 @@ void ATTClass::handleData(uint16_t connectionHandle, uint8_t dlen, uint8_t data[
   }
 }
 
-void ATTClass::removeConnection(uint8_t handle, uint16_t /*reason*/)
+void ATTClass::removeConnection(uint16_t handle, uint8_t /*reason*/)
 {
   int peerIndex = -1;
   int peerCount = 0;
diff --git a/src/utility/ATT.h b/src/utility/ATT.h
index 45802da5..2d006841 100644
--- a/src/utility/ATT.h
+++ b/src/utility/ATT.h
@@ -53,7 +53,7 @@ class ATTClass {
 
   void handleData(uint16_t connectionHandle, uint8_t dlen, uint8_t data[]);
 
-  void removeConnection(uint8_t handle, uint16_t reason);
+  void removeConnection(uint16_t handle, uint8_t reason);
 
   uint16_t connectionHandle(uint8_t addressType, const uint8_t address[6]) const;
   BLERemoteDevice* device(uint8_t addressType, const uint8_t address[6]) const;