diff --git a/src/driver/sfrt_amain.c b/src/driver/sfrt_amain.c
index d9ee482..0b18010 100644
--- a/src/driver/sfrt_amain.c
+++ b/src/driver/sfrt_amain.c
@@ -79,7 +79,7 @@ int sfrt_main(int argc, char ** argv, char ** envp)
 		if ((sfrt_output_dummy(dctx->cctx,stdout)) < 0)	/* dummy */
 			return sfrt_exit(dctx,2);		/* dummy */
 								/* dummy */
-	for (unit=dctx->units; *unit; unit++) {
+	for (unit=dctx->units; *unit && !dctx->errv[0]; unit++) {
 		if (!(sfrt_get_unit_ctx(dctx,*unit,&uctx))) {
 			sfrt_perform_unit_actions(dctx,uctx);
 			sfrt_free_unit_ctx(uctx);