diff --git a/nimble/host/mesh/include/mesh/main.h b/nimble/host/mesh/include/mesh/main.h
index 213950b17..dff5eb1db 100644
--- a/nimble/host/mesh/include/mesh/main.h
+++ b/nimble/host/mesh/include/mesh/main.h
@@ -287,7 +287,7 @@ int bt_mesh_input_number(uint32_t num);
 
 /** @brief Provide Device public key.
  *
- *  @param public_key Device public key.
+ *  @param public_key Device public key in big-endian.
  *
  *  @return Zero on success or (negative) error code otherwise.
  */
diff --git a/nimble/host/mesh/src/provisioner.c b/nimble/host/mesh/src/provisioner.c
index 9e8df8937..7a8c40d8f 100644
--- a/nimble/host/mesh/src/provisioner.c
+++ b/nimble/host/mesh/src/provisioner.c
@@ -724,8 +724,7 @@ int bt_mesh_prov_remote_pub_key_set(const uint8_t public_key[64])
 	}
 
 	/* Swap X and Y halves independently to big-endian */
-	memcpy(&bt_mesh_prov_link.conf_inputs[81], public_key, 32);
-	memcpy(&bt_mesh_prov_link.conf_inputs[81 + 32], &public_key[32], 32);
+	memcpy(&bt_mesh_prov_link.conf_inputs[81], public_key, 64);
 
 	return 0;
 }