diff --git a/CHANGES b/CHANGES
index bb0d728..d1fb67e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,6 +9,9 @@ serial tty, will probe the serial devices, exluding donotprobe ones.)
 
 Added support for the sontex868 heat cost allocator.
 
+Jacek27 added support for the Ultrimis water meter.
+Thanks Jacek27!
+
 Version 1.0.1: 2020-10-26
 
 Fix bug that prevented /dev/ttyUSB0:im871a:c1 to work.
diff --git a/README.md b/README.md
index 94cf9cd..41a136c 100644
--- a/README.md
+++ b/README.md
@@ -251,7 +251,8 @@ rtl_433 (rtl433)
 
 Supported water meters:
 Apator at-wmbus-08   (apator08) (non-standard protocol)
-Apator at-wmbus-16-2 (apator162) (non-standard protocol)
+Apator at-wmbus-16-2 (apator162) (non-standard protocol, spurious decoding errors)
+Apator Ultrimis (ultrimis)
 Aquametro/Integra Topas Es Kr (topaseskr)
 Bmeters Hydrodigit (hydrodigit) (partly non-standard protocol)
 Diehl/Sappel IZAR RC 868 I R4 PL (izar) (non-standard protocol)
diff --git a/simulations/simulation_t1.txt b/simulations/simulation_t1.txt
index 3929465..437b820 100644
--- a/simulations/simulation_t1.txt
+++ b/simulations/simulation_t1.txt
@@ -170,3 +170,8 @@ telegram=|3944FA122162092002067A3600202567C94D48D00DC47B11213E23383DB51968A705AA
 telegram=|4E44B40512345678F1077A310040052F2F|01FD08040C13991848004C1359423500CC101300000000CC201359423500426C7F2C0B3B00000002FD74DA10025AD300C4016D3B179F27CC011387124600|
 {"media":"water","meter":"topaseskr","name":"Witer","id":"78563412","total_m3":481.899,"temperature_c":21.1,"current_flow_m3h":0,"battery_life_days_remaining_remaining":"4314","volume_year_period_m3":354.259,"reverse_volume_year_period_m3":0,"meter_year_period_start_date":"2019-12-31","volume_month_period_m3":461.287,"meter_month_period_start_datetime":"2020-07-31 23:59","timestamp":"1111-11-11T11:11:11Z"}
 |Witer;78563412;481.899000;21.100000;0.000000;354.259000;0.000000;2019-12-31;461.287000;2020-07-31 23:59;1111-11-11 11:11.11
+
+# Test Ultrimis water meter
+telegram=|2E4401069897969501167A4B0320052F2F|0413320C000003FD1700000044132109000004933C000000002F2F2F2F2F|+0
+{"media":"cold water","meter":"ultrimis","name":"Uater","id":"95969798","total_m3":3.122,"target_m3":2.337,"current_status":"OK","total_backward_flow_m3":0,"timestamp":"1111-11-11T11:11:11Z"}
+|Uater;95969798;3.122000;2.337000;OK;0.000000;1111-11-11 11:11.11
diff --git a/src/meter_ultrimis.cc b/src/meter_ultrimis.cc
index 626625e..909973c 100644
--- a/src/meter_ultrimis.cc
+++ b/src/meter_ultrimis.cc
@@ -89,8 +89,12 @@ string MeterUltrimis::status()
        No water
        Low battery
     */
-
-    return tostrprintf("%03x", info_codes_);
+    string info = "OK";
+    if (info_codes_ != 0)
+    {
+        info = tostrprintf("ERR(%06x)", info_codes_);
+    }
+    return info;
 }
 
 void MeterUltrimis::processContent(Telegram *t)
diff --git a/tests/test_listen_to_all.sh b/tests/test_listen_to_all.sh
index a30d407..0890408 100755
--- a/tests/test_listen_to_all.sh
+++ b/tests/test_listen_to_all.sh
@@ -175,6 +175,11 @@ Received telegram from: 78563412
                   type: Water meter (0x07)
                    ver: 0xf1
                 driver: topaseskr
+Received telegram from: 95969798
+          manufacturer: (APA) Apator, Poland (0x601)
+                  type: Cold water meter (0x16)
+                   ver: 0x01
+                driver: ultrimis
 EOF
 
 RES=$($PROG --logfile=$LOGFILE --t1 simulations/simulation_t1.txt 2>&1)
diff --git a/tests/test_t1_meters.sh b/tests/test_t1_meters.sh
index dbc9599..de1a648 100755
--- a/tests/test_t1_meters.sh
+++ b/tests/test_t1_meters.sh
@@ -32,6 +32,7 @@ METERS="MyWarmWater supercom587 12345678 NOKEY
       Elen1       ebzwmbe     22992299 NOKEY
       Elen2       esyswm      77997799 NOKEY
       Elen3       ehzp        55995599 NOKEY
+      Uater       ultrimis    95969798 NOKEY
       Vatten      apator08    004444dd NOKEY
       Wasser      rfmtx1      74737271 NOKEY
       Woter       waterstarm  20096221 BEDB81B52C29B5C143388CBB0D15A051