diff --git a/main.c b/main.c
index d1c482b..7c9eb31 100644
--- a/main.c
+++ b/main.c
@@ -156,8 +156,15 @@ static int process_commands(char** commands, size_t command_count, struct eismul
 	}
 	else if(strcmp(commands[0], "get") == 0)
 	{
+		uint16_t count;
+		int ret = eismultiplexer_get_channel_count(multiplexer, &count);
+		if(ret < 0)
+		{
+			printf("could not get the number of channels\n");
+			return 3;
+		}
 		channel_t channels = eismultiplexer_get_connected(multiplexer);
-		for(size_t i = 0; i < 7; ++i)
+		for(size_t i = 0; i < count; ++i)
 		{
 			bool connected = channels & (1 << i);
 			printf("Channel %c: %s\n", (char)('A'+i), connected ? "on" : "off");