diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index 93351f1fc..d44cf7ea3 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -532,7 +532,7 @@ func OdexOnSystemOtherByName(name string, dexLocation string, global *GlobalConf
 	}
 
 	for _, f := range global.PatternsOnSystemOther {
-		if makefileMatch(filepath.Join(SystemPartition, f), dexLocation) {
+		if makefileMatch("/" + f, dexLocation) || makefileMatch(filepath.Join(SystemPartition, f), dexLocation) {
 			return true
 		}
 	}
diff --git a/dexpreopt/dexpreopt_test.go b/dexpreopt/dexpreopt_test.go
index eff2416e5..6f7d3bb67 100644
--- a/dexpreopt/dexpreopt_test.go
+++ b/dexpreopt/dexpreopt_test.go
@@ -153,7 +153,7 @@ func TestDexPreoptSystemOther(t *testing.T) {
 			moduleTests: []moduleTest{
 				{module: systemModule, expectedPartition: "system_other/system"},
 				{module: systemProductModule, expectedPartition: "system_other/system/product"},
-				{module: productModule, expectedPartition: "product"},
+				{module: productModule, expectedPartition: "system_other/product"},
 			},
 		},
 	}