diff --git a/index.js b/index.js
index fdb44ff..1f614f1 100644
--- a/index.js
+++ b/index.js
@@ -57,7 +57,7 @@ function propertyIsUnsafe(target, key) {
 
 // Retrieves either a new object or the appropriate target object to mutate.
 function getDestinationObject(target, options) {
-	if (options && !!options.mergeWithTarget) {
+	if (options && options.mergeWithTarget) {
 		return Array.isArray(target) ? firstArrayEntry(target) : target
 	}