diff --git a/AK/JsonObject.cpp b/AK/JsonObject.cpp
index 6f9e65fa630..6678f2d7e47 100644
--- a/AK/JsonObject.cpp
+++ b/AK/JsonObject.cpp
@@ -14,7 +14,7 @@ JsonObject::JsonObject() = default;
 JsonObject::~JsonObject() = default;
 
 JsonObject::JsonObject(JsonObject const& other)
-    : m_members(other.m_members)
+    : m_members(other.m_members.clone().release_value_but_fixme_should_propagate_errors())
 {
 }
 
@@ -26,7 +26,7 @@ JsonObject::JsonObject(JsonObject&& other)
 JsonObject& JsonObject::operator=(JsonObject const& other)
 {
     if (this != &other)
-        m_members = other.m_members;
+        m_members = other.m_members.clone().release_value_but_fixme_should_propagate_errors();
     return *this;
 }
 
diff --git a/AK/SourceGenerator.h b/AK/SourceGenerator.h
index 1e6b24ce347..fb25a230cd4 100644
--- a/AK/SourceGenerator.h
+++ b/AK/SourceGenerator.h
@@ -27,7 +27,7 @@ public:
     }
     explicit SourceGenerator(StringBuilder& builder, MappingType const& mapping, char opening = '@', char closing = '@')
         : m_builder(builder)
-        , m_mapping(mapping)
+        , m_mapping(mapping.clone().release_value_but_fixme_should_propagate_errors())
         , m_opening(opening)
         , m_closing(closing)
     {