diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index 93351f1..d44cf7e 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -532,7 +532,7 @@
 	}
 
 	for _, f := range global.PatternsOnSystemOther {
-		if makefileMatch(filepath.Join(SystemPartition, f), dexLocation) {
+		if makefileMatch("/" + f, dexLocation) || makefileMatch(filepath.Join(SystemPartition, f), dexLocation) {
 			return true
 		}
 	}