diff --git a/windows/file-associations.xml b/windows/file-associations.xml
index 0d662e3..b25764e 100644
--- a/windows/file-associations.xml
+++ b/windows/file-associations.xml
@@ -1,10 +1,10 @@
 <ProgId Id="OpenLP.Service" Description="OpenLP Service File" Icon="service_file.ico" Advertise="yes">
     <Extension Id="osz">
-        <Verb Id="Open" Command="Open" Argument="&quot;%1&quot;" />
+        <Verb Id="Open" Command="Open" Argument=" &quot;%1&quot;" />
         <MIME Advertise="yes" ContentType="application/-x-openlp-service" Default="yes" />
     </Extension>
     <Extension Id="oszl">
-        <Verb Id="Open" Command="Open" Argument="&quot;%1&quot;" />
+        <Verb Id="Open" Command="Open" Argument=" &quot;%1&quot;" />
         <MIME Advertise="yes" ContentType="application/-x-openlp-service-lite" Default="yes" />
     </Extension>
 </ProgId>