diff --git a/dist/SysTray-X-64bit.nsi b/dist/SysTray-X-64bit.nsi
index e9628d6..7eb3381 100644
--- a/dist/SysTray-X-64bit.nsi
+++ b/dist/SysTray-X-64bit.nsi
@@ -119,7 +119,7 @@ Section "Install"
       SetOutPath "$PROGRAMFILES32\Mozilla Thunderbird\distribution\extensions"
       File "..\systray-x@Ximi1970.xpi"
 
-      nsJSON::Set /file $PROGRAMFILES32\Mozilla Thunderbird\distribution\policies.json
+      nsJSON::Set /file "$PROGRAMFILES32\Mozilla Thunderbird\distribution\policies.json"
       ClearErrors
       nsJSON::Get `policies` /end
       ${IfNot} ${Errors}
@@ -136,7 +136,7 @@ Section "Install"
         nsJSON::Set `policies` /value `{ "ExtensionSettings" : { "systray-x@Ximi1970" : { "installation_mode": "normal_installed", "install_url": "file:///$PROGRAMFILES32/Mozilla Thunderbird/distribution/extensions/systray-x@Ximi1970.xpi" } } }`
       ${EndIf}
 
-      nsJSON::Serialize /format /file $PROGRAMFILES32\Mozilla Thunderbird\distribution\policies.json
+      nsJSON::Serialize /format /file "$PROGRAMFILES32\Mozilla Thunderbird\distribution\policies.json"
 
     ${EndIf}
     
@@ -144,7 +144,7 @@ Section "Install"
       SetOutPath "$PROGRAMFILES64\Mozilla Thunderbird\distribution\extensions"
       File "..\systray-x@Ximi1970.xpi"
 
-      nsJSON::Set /file $PROGRAMFILES64\Mozilla Thunderbird\distribution\policies.json
+      nsJSON::Set /file "$PROGRAMFILES64\Mozilla Thunderbird\distribution\policies.json"
       ClearErrors
       nsJSON::Get `policies` /end
       ${IfNot} ${Errors}
@@ -161,7 +161,7 @@ Section "Install"
         nsJSON::Set `policies` /value `{ "ExtensionSettings" : { "systray-x@Ximi1970" : { "installation_mode": "normal_installed", "install_url": "file:///$PROGRAMFILES64/Mozilla Thunderbird/distribution/extensions/systray-x@Ximi1970.xpi" } } }`
       ${EndIf}
 
-      nsJSON::Serialize /format /file $PROGRAMFILES64\Mozilla Thunderbird\distribution\policies.json
+      nsJSON::Serialize /format /file "$PROGRAMFILES64\Mozilla Thunderbird\distribution\policies.json"
 
     ${EndIf}
   ${EndIf}