diff --git a/features/FEATURE_BLE/ble/Gap.h b/features/FEATURE_BLE/ble/Gap.h
index 1681de5494..23d5b9c028 100644
--- a/features/FEATURE_BLE/ble/Gap.h
+++ b/features/FEATURE_BLE/ble/Gap.h
@@ -1736,9 +1736,10 @@ public:
 
     virtual ble_error_t startAdvertising(
         AdvHandle_t handle,
-        uint8_t maxEvents = 0,
-        uint32_t maxDuration = 0
-    ) {
+        uint32_t maxDuration = 0,
+        uint8_t maxEvents = 0
+    )
+    {
         (void) maxEvents;
         (void) maxDuration;
         /* Requesting action from porter(s): override this API if this capability is supported. */
diff --git a/features/FEATURE_BLE/ble/generic/GenericGap.h b/features/FEATURE_BLE/ble/generic/GenericGap.h
index 054c0a3f24..f41f079ded 100644
--- a/features/FEATURE_BLE/ble/generic/GenericGap.h
+++ b/features/FEATURE_BLE/ble/generic/GenericGap.h
@@ -106,8 +106,8 @@ public:
 
     ble_error_t startAdvertising(
         AdvHandle_t handle,
-        uint8_t maxEvents = 0,
-        uint32_t maxDuration = 0
+        uint32_t maxDuration,
+        uint8_t maxEvents
     );
 
     ble_error_t stopAdvertising(AdvHandle_t handle);
diff --git a/features/FEATURE_BLE/source/generic/GenericGap.cpp b/features/FEATURE_BLE/source/generic/GenericGap.cpp
index fe44081e77..0dc1c650d9 100644
--- a/features/FEATURE_BLE/source/generic/GenericGap.cpp
+++ b/features/FEATURE_BLE/source/generic/GenericGap.cpp
@@ -1816,9 +1816,10 @@ ble_error_t GenericGap::setAdvertisingData(
 
 ble_error_t GenericGap::startAdvertising(
     AdvHandle_t handle,
-    uint8_t maxEvents,
-    uint32_t maxDuration
-) {
+    uint32_t maxDuration,
+    uint8_t maxEvents
+)
+{
     if (!_existing_sets.get(handle)) {
         return BLE_ERROR_INVALID_PARAM;
     }