diff --git a/scumm/scumm.cpp b/scumm/scumm.cpp
index 69af6cdac13..18c01383e3a 100644
--- a/scumm/scumm.cpp
+++ b/scumm/scumm.cpp
@@ -1329,9 +1329,12 @@ void ScummEngine::initScummVars() {
 				VAR(VAR_SOUNDCARD) = 3;
 		}
 		VAR(VAR_VIDEOMODE) = 0x13;
-		if ((_gameId == GID_LOOM && _features & GF_OLD_BUNDLE) || _version >= 4)
+		if (_gameId == GID_LOOM && _features & GF_OLD_BUNDLE) {
+			// Set number of sound resources
+			VAR(39) = 80;
+			VAR(VAR_HEAPSPACE) = 1400;
+		} else if (_version >= 4) {
 			VAR(VAR_HEAPSPACE) = 1400;
-		if (_version >= 4) {
 			VAR(VAR_FIXEDDISK) = true;
 			if (_features & GF_HUMONGOUS) {
 				VAR(VAR_SOUNDPARAM) = 1; // soundblaster for music