diff --git a/cmd/include/blue/cmd.h b/cmd/include/blue/cmd.h
index 4831be6..99989cb 100644
--- a/cmd/include/blue/cmd.h
+++ b/cmd/include/blue/cmd.h
@@ -90,8 +90,8 @@
 	b_command_arg_set_allowed_values(this_arg, allowed_values)
 
 #define B_COMMAND_USAGE()                                                      \
-	b_command_usage *usage_##__LINE__ = b_command_add_usage(this_cmd);     \
-	this_usage = usage_##__LINE__;                                         \
+	b_command_usage *z__b_unique_name() = b_command_add_usage(this_cmd);   \
+	this_usage = z__b_unique_name();                                       \
 	if (this_usage)
 
 #define B_COMMAND_USAGE_OPT(opt_id)                                            \