diff --git a/AK/JsonValue.h b/AK/JsonValue.h
index 346e0212593..4413f38341a 100644
--- a/AK/JsonValue.h
+++ b/AK/JsonValue.h
@@ -102,6 +102,13 @@ public:
     u32 to_u32(u32 default_value = 0) const { return to_number<u32>(default_value); }
     u64 to_u64(u64 default_value = 0) const { return to_number<u64>(default_value); }
 
+#if !defined(KERNEL)
+    double to_double(double default_value = 0) const
+    {
+        return to_number<double>(default_value);
+    }
+#endif
+
     FlatPtr to_addr(FlatPtr default_value = 0) const
     {
 #ifdef __LP64__