diff --git a/src/setup/win32/Product.wxs b/src/setup/win32/Product.wxs
index c47aa063..6cdac1b2 100644
--- a/src/setup/win32/Product.wxs
+++ b/src/setup/win32/Product.wxs
@@ -112,13 +112,13 @@
           <fire:FirewallException Id="GuiFirewallException" Name="$(var.Name)" Scope="any" IgnoreFailure="yes" />
         </File>
 
-        <File Source="$(var.QtPath)\libgcc_s_dw2-1.dll" />
-        <File Source="$(var.QtPath)\mingwm10.dll" />
-        <File Source="$(var.QtPath)\QtCore4.dll" />
-        <File Source="$(var.QtPath)\QtGui4.dll" />
-        <File Source="$(var.QtPath)\QtNetwork4.dll" />
+        <File Source="$(var.QtPath)\libgcc_s_dw2-1.dll" CompanionFile="GuiProgram" />
+        <File Source="$(var.QtPath)\mingwm10.dll" CompanionFile="GuiProgram" />
+        <File Source="$(var.QtPath)\QtCore4.dll" CompanionFile="GuiProgram" />
+        <File Source="$(var.QtPath)\QtGui4.dll" CompanionFile="GuiProgram" />
+        <File Source="$(var.QtPath)\QtNetwork4.dll" CompanionFile="GuiProgram" />
         
-        <File Source="$(var.ExtPath)\bonjour\x64\dnssd.dll" />
+        <File Source="$(var.ExtPath)\bonjour\x64\dnssd.dll" CompanionFile="GuiProgram" />
 
       </Component>