diff --git a/source/firmware/kernel/shell.c b/source/firmware/kernel/shell.c
index 1a66456..c25d489 100644
--- a/source/firmware/kernel/shell.c
+++ b/source/firmware/kernel/shell.c
@@ -30,7 +30,7 @@ static void parse(const char *buffer, unsigned int len)
 	struct list_node *it = shell_object.command_list.front;
 	while(it != NULL) {
 		struct command *cmd = (struct command *)it->data;
-		if(strstr(buffer, cmd->command)) {
+		if(0 == strncmp(buffer, cmd->command, strlen(cmd->command))) {
 			cmd->command_callback(buffer);
 			return;
 		}