diff --git a/obexd/plugins/pbap.c b/obexd/plugins/pbap.c
index efae92c..ab52363 100644
--- a/obexd/plugins/pbap.c
+++ b/obexd/plugins/pbap.c
@@ -511,6 +511,21 @@ static int pbap_get(struct obex_session *os, void *user_data)
 		rsize = 0;
 	}
 
+	/* Workaround for PTS client not sending mandatory apparams */
+	if (!rsize && g_ascii_strcasecmp(type, VCARDLISTING_TYPE) == 0) {
+		static const uint8_t default_apparams[] = {
+			0x04, 0x02, 0xff, 0xff
+		};
+		buffer = default_apparams;
+		rsize = sizeof(default_apparams);
+	} else if (!rsize && g_ascii_strcasecmp(type, VCARDENTRY_TYPE) == 0) {
+		static const uint8_t default_apparams[] = {
+			0x07, 0x01, 0x00
+		};
+		buffer = default_apparams;
+		rsize = sizeof(default_apparams);
+	}
+
 	params = parse_aparam(buffer, rsize);
 	if (params == NULL)
 		return -EBADR;