diff --git a/src/logic/slbt_exec_ctx.c b/src/logic/slbt_exec_ctx.c
index 141a621..706fd51 100644
--- a/src/logic/slbt_exec_ctx.c
+++ b/src/logic/slbt_exec_ctx.c
@@ -46,6 +46,7 @@ static char * slbt_source_file(char ** argv)
 		if ((ch = strrchr(*parg,'.')))
 			if ((!(strcmp(++ch,"s")))
 					|| (!(strcmp(ch,"S")))
+					|| (!(strcmp(ch,"asm")))
 					|| (!(strcmp(ch,"c")))
 					|| (!(strcmp(ch,"cc")))
 					|| (!(strcmp(ch,"cxx"))))