diff --git a/app/src/main/java/com/topjohnwu/magisk/core/tasks/FlashZip.kt b/app/src/main/java/com/topjohnwu/magisk/core/tasks/FlashZip.kt
index d76c05200..0634fff6d 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/tasks/FlashZip.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/tasks/FlashZip.kt
@@ -66,7 +66,7 @@ open class FlashZip(
 
         console.add("- Installing ${mUri.displayName}")
 
-        return Shell.su("sh $installDir/update-binary dummy 1 $zipFile")
+        return Shell.su("sh $installDir/update-binary dummy 1 \"$zipFile\"")
             .to(console, logs).exec().isSuccess
     }