diff --git a/wix/main.wxs b/wix/main.wxs
index 167dd27f..b671012c 100644
--- a/wix/main.wxs
+++ b/wix/main.wxs
@@ -74,7 +74,7 @@
                             <RegistryValue Type='string' Name='URL Protocol' Value='' />
                             
                             <RegistryKey Key='DefaultIcon' ForceCreateOnInstall='yes' ForceDeleteOnUninstall='yes'>
-                                <RegistryValue Type="string" Value="[APPLICATIONFOLDER]Halloy.exe,0" />
+                                <RegistryValue Type="string" Value='"[APPLICATIONFOLDER]Halloy.exe",0' />
                             </RegistryKey>
 
                             <RegistryKey Key='shell\open\command' ForceCreateOnInstall='yes' ForceDeleteOnUninstall='yes'>