diff --git a/engines/scumm/detection.cpp b/engines/scumm/detection.cpp
index b3afd1f391a..8b3e5801c02 100644
--- a/engines/scumm/detection.cpp
+++ b/engines/scumm/detection.cpp
@@ -229,7 +229,12 @@ const ExtraGuiOptions ScummMetaEngineDetection::getExtraGuiOptions(const Common:
 	const Common::String guiOptions = parseGameGUIOptions(guiOptionsString);
 	const Common::Platform platform = Common::parsePlatform(ConfMan.get("platform", target));
 
-	if (target.empty() || gameid == "monkey" || gameid == "monkey2" || gameid == "samnmax" || (gameid == "loom" && (extra == "VGA" || extra == "Steam"))) {
+	if (target.empty() ||
+		gameid == "monkey" ||
+		gameid == "monkey2" ||
+		gameid == "samnmax" ||
+		(gameid == "loom" && (extra == "VGA" || extra == "Steam")) ||
+		((gameid == "loom" || gameid == "indy3") && platform == Common::kPlatformMacintosh && extra != "Steam")) {
 		options.push_back(enableEnhancements);
 	}
 
diff --git a/engines/scumm/gfx_mac.cpp b/engines/scumm/gfx_mac.cpp
index 5abc3d2f525..e29f049bee5 100644
--- a/engines/scumm/gfx_mac.cpp
+++ b/engines/scumm/gfx_mac.cpp
@@ -20,6 +20,7 @@
  */
 
 #include "common/system.h"
+#include "common/config-manager.h"
 #include "graphics/macega.h"
 #include "scumm/actor.h"
 #include "scumm/charset.h"
@@ -51,9 +52,11 @@ void ScummEngine::mac_drawStripToScreen(VirtScreen *vs, int top, int x, int y, i
 	// unmodified. At least, that's what Mini vMac did when I tried it.
 
 	if (_renderMode == Common::kRenderMacintoshBW) {
+		bool enableEnhancements = ConfMan.getBool("enable_enhancements");
+
 		for (int h = 0; h < height; h++) {
 			for (int w = 0; w < width; w++) {
-				int color = _shadowPalette[pixels[w]];
+				int color = enableEnhancements ? _shadowPalette[pixels[w]] : pixels[w];
 				if (ts[2 * w] == CHARSET_MASK_TRANSPARENCY)
 					mac[2 * w] = Graphics::macEGADither[color][0];
 				if (ts[2 * w + 1] == CHARSET_MASK_TRANSPARENCY)