diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 62375e13a..feb0e665b 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -4184,9 +4184,10 @@ static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
 	if (mask & WPA_BSS_MASK_WPS_SCAN) {
 		ie = (const u8 *) (bss + 1);
 		ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
-		if (ret < 0 || ret >= end - pos)
+		if (ret >= end - pos)
 			return 0;
-		pos += ret;
+		if (ret > 0)
+			pos += ret;
 	}
 #endif /* CONFIG_WPS */