diff --git a/builders/windows-builder.py b/builders/windows-builder.py
index 4f2bce8..80e7df0 100644
--- a/builders/windows-builder.py
+++ b/builders/windows-builder.py
@@ -157,11 +157,24 @@ class WindowsBuilder(Builder):
                 file_id = 'file_{source_id}'.format(source_id=source_id)
                 component_id = 'cmp_{source_id}'.format(source_id=source_id)
                 if self.arch == 'x64':
-                    file_ = E.File(Id=file_id, KeyPath="yes", Source=source, ProcessorArchitecture='x64')
+                    file_ = E.File(Id=file_id, KeyPath='yes', Source=source, ProcessorArchitecture='x64')
                     component = E.Component(file_, Id=component_id, Guid='*', Win64='yes')
                 else:
-                    file_ = E.File(Id=file_id, KeyPath="yes", Source=source)
+                    file_ = E.File(Id=file_id, KeyPath='yes', Source=source)
                     component = E.Component(file_, Id=component_id, Guid='*')
+                if 'OpenLP.exe' in source:
+                    description = 'Firewall exception for OpenLP\'s remote interface (UDP)'
+                    program = '[#file_e368869eb54b01e2288a3359b1cf51f8]'
+                    namespace = 'http://schemas.microsoft.com/wix/FirewallExtension'
+                    nsmap = {'fx': namespace}
+                    component.append(E.FirewallException(Id='1797D56F-0AD4-81A6-6011-F8AE0B7CFB4F', Name='OpenLP',
+                                                         Description=description, IgnoreFailure='yes',
+                                                         Program=program, Protocol='tcp', Scope='any',
+                                                         namespace=namespace, nsmap=nsmap))
+                    component.append(E.FirewallException(Id='183115E6-A080-964D-4A4F-43880083F189', Name='OpenLP',
+                                                         Description=description, IgnoreFailure='yes',
+                                                         Program=program, Protocol='udp', Scope='any',
+                                                         namespace=namespace, nsmap=nsmap))
                 element.append(component)
                 components.append(component)
 
diff --git a/windows/OpenLP-base.wxs b/windows/OpenLP-base.wxs
index 4633ce6..f8ea96e 100644
--- a/windows/OpenLP-base.wxs
+++ b/windows/OpenLP-base.wxs
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
-     xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">
+  xmlns:util="http://schemas.microsoft.com/wix/UtilExtension"
+  xmlns:fw="http://schemas.microsoft.com/wix/FirewallExtension">
   <?define ProductName="OpenLP"?>
   <?define ProductCode="*"?>
   <?define ProductVersion="%(version)s"?>