sim: further updates/fixes
diff --git a/src/sim/reader_pcsc.c b/src/sim/reader_pcsc.c
index 60a9dee..b490b97 100644
--- a/src/sim/reader_pcsc.c
+++ b/src/sim/reader_pcsc.c
@@ -70,6 +70,7 @@
 
 	rc = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL,
 				   &st->hContext);
+	PCSC_ERROR(rc, "SCardEstablishContext");
 	if (rc != SCARD_S_SUCCESS)
 		goto end;