diff --git a/libraries/script-engine/src/ArrayBufferClass.cpp b/libraries/script-engine/src/ArrayBufferClass.cpp
index f64dbeffd6..6734114932 100644
--- a/libraries/script-engine/src/ArrayBufferClass.cpp
+++ b/libraries/script-engine/src/ArrayBufferClass.cpp
@@ -76,8 +76,10 @@ QScriptValue ArrayBufferClass::newInstance(qint32 size) {
         engine()->evaluate("throw \"ArgumentError: absurd length\"");
         return QScriptValue();
     }
-    
+    // We've patched qt to fix https://highfidelity.atlassian.net/browse/BUGZ-46 on mac and windows only.
+#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
     engine()->reportAdditionalMemoryCost(size);
+#endif
     QScriptEngine* eng = engine();
     QVariant variant = QVariant::fromValue(QByteArray(size, 0));
     QScriptValue data =  eng->newVariant(variant);
diff --git a/libraries/script-engine/src/ScriptEngine.cpp b/libraries/script-engine/src/ScriptEngine.cpp
index 309161206c..9d29f32931 100644
--- a/libraries/script-engine/src/ScriptEngine.cpp
+++ b/libraries/script-engine/src/ScriptEngine.cpp
@@ -1346,7 +1346,10 @@ void ScriptEngine::callAnimationStateHandler(QScriptValue callback, AnimVariantM
 
 void ScriptEngine::updateMemoryCost(const qint64& deltaSize) {
     if (deltaSize > 0) {
+        // We've patched qt to fix https://highfidelity.atlassian.net/browse/BUGZ-46 on mac and windows only.
+#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
         reportAdditionalMemoryCost(deltaSize);
+#endif
     }
 }