diff --git a/AK/String.cpp b/AK/String.cpp
index 54c7fd742fa72a47a1a8e97fcf292bb958b644f9..4657835b8ddae253eb7a66a6ed35fb59a8be9e95 100644
--- a/AK/String.cpp
+++ b/AK/String.cpp
@@ -133,7 +133,7 @@ int String::to_int(bool& ok) const
     int value = 0;
     int i = 0;
 
-    if (is_null()) {
+    if (is_empty()) {
         ok = false;
         return 0;
     }