diff --git a/source/glest_game/type_instances/faction.cpp b/source/glest_game/type_instances/faction.cpp
index 0652606f..d70b81ab 100644
--- a/source/glest_game/type_instances/faction.cpp
+++ b/source/glest_game/type_instances/faction.cpp
@@ -844,7 +844,7 @@ void Faction::applyCostsOnInterval(const ResourceType *rtApply) {
 						}
 						StaticSound *sound= unit->getType()->getFirstStOfClass(scDie)->getSound();
 						if(sound != NULL &&
-							(thisFaction == true || (world->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer))) {
+							(thisFaction == true || world->showWorldForPlayer(world->getThisTeamIndex()) == true)) {
 							SoundRenderer::getInstance().playFx(sound);
 						}
 					}
diff --git a/source/glest_game/type_instances/unit.cpp b/source/glest_game/type_instances/unit.cpp
index 14475517..f35d484f 100644
--- a/source/glest_game/type_instances/unit.cpp
+++ b/source/glest_game/type_instances/unit.cpp
@@ -1911,7 +1911,7 @@ bool Unit::applyAttackBoost(const AttackBoost *boost, const Unit *source) {
 				StaticSound *sound= this->getType()->getFirstStOfClass(scDie)->getSound();
 				if(sound != NULL &&
 					(this->getFactionIndex() == Unit::game->getWorld()->getThisFactionIndex() ||
-					 (game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer))) {
+					 (game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true))) {
 					SoundRenderer::getInstance().playFx(sound);
 				}
 
@@ -1980,7 +1980,7 @@ void Unit::deapplyAttackBoost(const AttackBoost *boost, const Unit *source) {
 			StaticSound *sound= this->getType()->getFirstStOfClass(scDie)->getSound();
 			if(sound != NULL &&
 				(this->getFactionIndex() == Unit::game->getWorld()->getThisFactionIndex() ||
-				 (game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer))) {
+				 (game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true))) {
 				SoundRenderer::getInstance().playFx(sound);
 			}
 
@@ -2032,7 +2032,7 @@ void Unit::tick() {
             StaticSound *sound= this->getType()->getFirstStOfClass(scDie)->getSound();
             if(sound != NULL &&
             	(this->getFactionIndex() == Unit::game->getWorld()->getThisFactionIndex() ||
-            	 (game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer))) {
+            	 (game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true))) {
                 SoundRenderer::getInstance().playFx(sound);
             }
 		}
@@ -2056,7 +2056,7 @@ void Unit::tick() {
             StaticSound *sound= this->getType()->getFirstStOfClass(scDie)->getSound();
             if(sound != NULL &&
             	(this->getFactionIndex() == Unit::game->getWorld()->getThisFactionIndex() ||
-            	 (game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer))) {
+            	 (game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true))) {
                 SoundRenderer::getInstance().playFx(sound);
             }
 		}
diff --git a/source/glest_game/world/unit_updater.cpp b/source/glest_game/world/unit_updater.cpp
index df523ebd..704c3b75 100644
--- a/source/glest_game/world/unit_updater.cpp
+++ b/source/glest_game/world/unit_updater.cpp
@@ -126,7 +126,7 @@ void UnitUpdater::updateUnit(Unit *unit) {
 		float soundStartTime= currSkill->getSoundStartTime();
 		if(soundStartTime >= unit->getLastAnimProgress() && soundStartTime < unit->getAnimProgress()) {
 			if(map->getSurfaceCell(Map::toSurfCoords(unit->getPos()))->isVisible(world->getThisTeamIndex()) ||
-				(game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer)) {
+				(game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true)) {
 				soundRenderer.playFx(currSkill->getSound(), unit->getCurrVector(), gameCamera->getPos());
 			}
 		}
@@ -806,7 +806,7 @@ void UnitUpdater::updateBuild(Unit *unit, int frameIndex) {
 
 					//play start sound
 					if(unit->getFactionIndex() == world->getThisFactionIndex() ||
-						(game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer)) {
+						(game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true)) {
 						SoundRenderer::getInstance().playFx(
 							bct->getStartSound(),
 							unit->getCurrVector(),
@@ -878,7 +878,7 @@ void UnitUpdater::updateBuild(Unit *unit, int frameIndex) {
 				builtUnit->born();
 				scriptManager->onUnitCreated(builtUnit);
 				if(unit->getFactionIndex() == world->getThisFactionIndex() ||
-					(game->getWorld()->getThisTeamIndex() == GameConstants::maxPlayers -1 + fpt_Observer)) {
+					(game->getWorld()->showWorldForPlayer(game->getWorld()->getThisTeamIndex()) == true)) {
 					SoundRenderer::getInstance().playFx(
 						bct->getBuiltSound(),
 						unit->getCurrVector(),