diff --git a/main.c b/main.c
index ef3a92a993df665a6e0d73695fa2f5433513f57f..acc08ac3971fec695dcbfebf0dce8b06ff28283d 100644
--- a/main.c
+++ b/main.c
@@ -110,8 +110,11 @@ static int process_commands(char** commands, size_t command_count, struct coince
 	else if(strcmp(commands[0], "set") == 0)
 	{
 		if(command_count < 3)
+		{
 			printf("Usage %s %s [HEATER] [TEMPERATURE]\n", name, commands[0]);
 
+		}
+
 		int id = convert_string_to_heater_id(commands[1]);
 		if(id < 0)
 			return 1;
@@ -125,7 +128,10 @@ static int process_commands(char** commands, size_t command_count, struct coince
 	else if(strcmp(commands[0], "ramp") == 0)
 	{
 		if(command_count < 4)
+		{
 			printf("Usage %s %s [HEATER] [TEMPERATURE] [SECONDS]\n", name, commands[0]);
+			return 1;
+		}
 
 		int id = convert_string_to_heater_id(commands[1]);
 		if(id < 0)