diff --git a/assemble.bat b/assemble.bat
index 32df12f..3297acf 100644
--- a/assemble.bat
+++ b/assemble.bat
@@ -1,7 +1,9 @@
 if exist "C:\Program Files\7-Zip\7z.exe" (
 	"C:\Program Files\7-Zip\7z.exe" a FireRecord.zip chrome defaults chrome.manifest install.rdf
-) else (
+) else if exist "C:\Program Files (x86)\7-Zip\7z.exe" (
 	"C:\Program Files (x86)\7-Zip\7z.exe" a FireRecord.zip chrome defaults chrome.manifest install.rdf
+) else (
+	"C:\Program Files\WinRAR\rar.exe" a FireRecord.zip chrome defaults chrome.manifest install.rdf
 )
 move FireRecord.zip FireRecord.xpi
-start "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" FireRecord.xpi
\ No newline at end of file
+start "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" FireRecord.xpi