diff --git a/src/plumberd.cr b/src/plumberd.cr
index fdb83e8..9d162f7 100644
--- a/src/plumberd.cr
+++ b/src/plumberd.cr
@@ -92,8 +92,8 @@ class IPC::NetworkD < IPC::Service
 
 			# Then we provide the file descriptor to the client
 			r = LibIPC.ipc_provide_fd(origin.fd, service.fd)
-			if r != 0
-				m = String.new LibIPC.ipc_errors_get (r)
+			if r.error_code != 0
+				m = String.new r.error_message
 				raise Exception.new "cannot send the file descriptor of the requested service: #{m}"
 			end
 
@@ -120,8 +120,8 @@ class IPC::NetworkD < IPC::Service
 
 		# TODO: plumberd should be able to transfer messages???
 		r = LibIPC.ipc_wait_event self.pointer, @service_info.pointer, pointerof(event), pointerof(@timer)
-		if r != 0
-			m = String.new LibIPC.ipc_errors_get (r)
+		if r.error_code != 0
+			m = String.new r.error_message
 			yield IPC::Exception.new "error waiting for a new event: #{m}"
 		end
 
diff --git a/src/websocketd.cr b/src/websocketd.cr
index 896cdf1..c2a1178 100644
--- a/src/websocketd.cr
+++ b/src/websocketd.cr
@@ -97,7 +97,7 @@ class InstanceStorage
 		# 6. removing the client and the service from is_client
 		@is_client = @is_client.select do |fd,v| fd != fdclient end
 		@is_json = @is_json.select do |fd,v| fd != fdclient end
-		
+
 		@fd_to_websocket.select! do |fd, ws|
 			fd != fdclient
 		end