diff --git a/app/core/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt b/app/core/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
index 46c6b8321..951b84148 100644
--- a/app/core/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
+++ b/app/core/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt
@@ -597,7 +597,9 @@ abstract class MagiskInstallImpl protected constructor(
         if (result)
             return true
 
-        Shell.cmd("rm -rf $installDir").submit()
+        // Not every operation initializes installDir
+        if (::installDir.isInitialized)
+            Shell.cmd("rm -rf $installDir").submit()
         return false
     }