diff --git a/addons/escoria-core/game/core-scripts/esc/commands/set_sound_state.gd b/addons/escoria-core/game/core-scripts/esc/commands/set_sound_state.gd
index b9675306..50886815 100644
--- a/addons/escoria-core/game/core-scripts/esc/commands/set_sound_state.gd
+++ b/addons/escoria-core/game/core-scripts/esc/commands/set_sound_state.gd
@@ -32,7 +32,7 @@ func validate(arguments: Array):
 		)
 		return false
 	if not arguments[1] in ["default", "off"] \
-			or not ResourceLoader.exists(arguments[1]):
+			and not ResourceLoader.exists(arguments[1]):
 		escoria.logger.report_errors(
 			"SetSoundStateCommand.validate: invalid sound",
 			[
diff --git a/addons/escoria-core/game/core-scripts/esc/types/esc_command.gd b/addons/escoria-core/game/core-scripts/esc/types/esc_command.gd
index c063a8a3..adea2b14 100644
--- a/addons/escoria-core/game/core-scripts/esc/types/esc_command.gd
+++ b/addons/escoria-core/game/core-scripts/esc/types/esc_command.gd
@@ -113,7 +113,8 @@ func run() -> int:
 		var prepared_arguments = argument_descriptor.prepare_arguments(
 			self.parameters
 		)
-		if argument_descriptor.validate(self.name, prepared_arguments):
+		if argument_descriptor.validate(self.name, prepared_arguments) and\
+				command_object.validate(prepared_arguments):
 			escoria.logger.debug("Running command %s with parameters %s" % [
 				self.name,
 				prepared_arguments