diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 378cb2b..26d0fb0 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -159,7 +159,7 @@ mdso_api int  mdso_create_object        (const struct mdso_driver_ctx *, struct 
 mdso_api int  mdso_create_archive       (const struct mdso_driver_ctx *, struct mdso_object *);
 
 /* utility api */
-mdso_api int  mdso_main                 (int, char **, char **, const struct mdso_fd_ctx *);
+mdso_api int  mdso_main                 (char **, char **, const struct mdso_fd_ctx *);
 mdso_api int  mdso_create_implib_archive(const struct mdso_driver_ctx *);
 mdso_api int  mdso_create_implib_sources(const struct mdso_driver_ctx *);
 mdso_api int  mdso_create_implib_objects(const struct mdso_driver_ctx *);
diff --git a/project/overrides.mk b/project/overrides.mk
index e69de29..4ac3b36 100644
--- a/project/overrides.mk
+++ b/project/overrides.mk
@@ -0,0 +1 @@
+src/$(PACKAGE).o: CFLAGS_CONFIG += -Wno-unused-parameter
diff --git a/src/driver/mdso_amain.c b/src/driver/mdso_amain.c
index a3265cc..bed201d 100644
--- a/src/driver/mdso_amain.c
+++ b/src/driver/mdso_amain.c
@@ -64,7 +64,7 @@ static int mdso_exit(struct mdso_driver_ctx * dctx, int ret)
 	return ret;
 }
 
-int mdso_main(int argc, char ** argv, char ** envp, const struct mdso_fd_ctx * fdctx)
+int mdso_main(char ** argv, char ** envp, const struct mdso_fd_ctx * fdctx)
 {
 	int				ret;
 	int				fdout;
@@ -78,7 +78,7 @@ int mdso_main(int argc, char ** argv, char ** envp, const struct mdso_fd_ctx * f
 
 	if ((ret = mdso_get_driver_ctx(argv,envp,flags,fdctx,&dctx)))
 		return (ret == MDSO_USAGE)
-			? !--argc
+			? !argv || !argv[0] || !argv[1]
 			: MDSO_ERROR;
 
 	if (dctx->cctx->drvflags & MDSO_DRIVER_VERSION)
diff --git a/src/mdso.c b/src/mdso.c
index 423f2ac..3ba66e7 100644
--- a/src/mdso.c
+++ b/src/mdso.c
@@ -8,5 +8,5 @@
 
 int main(int argc, char ** argv, char ** envp)
 {
-	return mdso_main(argc,argv,envp,0);
+	return mdso_main(argv,envp,0);
 }