diff --git a/assert/assertions.go b/assert/assertions.go
index be821614b..3da92b0fe 100644
--- a/assert/assertions.go
+++ b/assert/assertions.go
@@ -983,7 +983,7 @@ func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok
 	}
 
 	subsetKind := reflect.TypeOf(subset).Kind()
-	if subsetKind != reflect.Array && subsetKind != reflect.Slice && listKind != reflect.Map {
+	if subsetKind != reflect.Array && subsetKind != reflect.Slice && subsetKind != reflect.Map {
 		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...)
 	}