diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4ed34a..0969286 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # CHANGELOG
 ## not released
+- parser: Fixed textual altitude part (fixes #81)
 - parser: Skip keys where value is "None"
 
 ## 0.9.8: - 2020-08-21
diff --git a/ogn/parser/pattern.py b/ogn/parser/pattern.py
index c7d5bd6..0f3dc80 100644
--- a/ogn/parser/pattern.py
+++ b/ogn/parser/pattern.py
@@ -1,7 +1,7 @@
 import re
 
 PATTERN_APRS = re.compile(r"^(?P<callsign>.+?)>(?P<dstcall>[A-Z0-9]+),((?P<relay>[A-Za-z0-9]+)\*)?.*,(?P<receiver>.+?):(?P<aprs_type>(.))(?P<aprs_body>.*)$")
-PATTERN_APRS_POSITION = re.compile(r"^(?P<time>(([0-1]\d|2[0-3])[0-5]\d[0-5]\dh|([0-2]\d|3[0-1])([0-1]\d|2[0-3])[0-5]\dz))(?P<latitude>9000\.00|[0-8]\d{3}\.\d{2})(?P<latitude_sign>N|S)(?P<symbol_table>.)(?P<longitude>18000\.00|1[0-7]\d{3}\.\d{2}|0\d{4}\.\d{2})(?P<longitude_sign>E|W)(?P<symbol>.)(?P<course_extension>(?P<course>\d{3})/(?P<ground_speed>\d{3}))?/(A=(?P<altitude>(-\d{5}|\d{6})))?(?P<pos_extension>\s!W((?P<latitude_enhancement>\d)(?P<longitude_enhancement>\d))!)?(?:\s(?P<comment>.*))?$")
+PATTERN_APRS_POSITION = re.compile(r"^(?P<time>(([0-1]\d|2[0-3])[0-5]\d[0-5]\dh|([0-2]\d|3[0-1])([0-1]\d|2[0-3])[0-5]\dz))(?P<latitude>9000\.00|[0-8]\d{3}\.\d{2})(?P<latitude_sign>N|S)(?P<symbol_table>.)(?P<longitude>18000\.00|1[0-7]\d{3}\.\d{2}|0\d{4}\.\d{2})(?P<longitude_sign>E|W)(?P<symbol>.)(?P<course_extension>(?P<course>\d{3})/(?P<ground_speed>\d{3}))?(/A=(?P<altitude>(-\d{5}|\d{6})))?(?P<pos_extension>\s!W((?P<latitude_enhancement>\d)(?P<longitude_enhancement>\d))!)?(?:\s(?P<comment>.*))?$")
 PATTERN_APRS_STATUS = re.compile(r"^(?P<time>(([0-1]\d|2[0-3])[0-5]\d[0-5]\dh|([0-2]\d|3[0-1])([0-1]\d|2[0-3])[0-5]\dz))\s(?P<comment>.*)$")
 
 PATTERN_SERVER = re.compile(r"^# aprsc (?P<version>[a-z0-9\.\-]+) (?P<timestamp>\d+ [A-Za-z]+ \d+ \d{2}:\d{2}:\d{2} GMT) (?P<server>[A-Z0-9]+) (?P<ip_address>\d+\.\d+\.\d+\.\d+):(?P<port>\d+)$")
diff --git a/tests/parser/test_parse_aprs.py b/tests/parser/test_parse_aprs.py
index 221d87d..e469fd3 100644
--- a/tests/parser/test_parse_aprs.py
+++ b/tests/parser/test_parse_aprs.py
@@ -79,7 +79,7 @@ class TestStringMethods(unittest.TestCase):
 
     def test_no_altitude(self):
         # altitude is not a 'must have'
-        raw_message = "FLRDDEEF1>OGCAPT,qAS,CAPTURS:/065511h4837.63N/00233.79E'000/000/"
+        raw_message = "FLRDDEEF1>OGCAPT,qAS,CAPTURS:/065511h4837.63N/00233.79E'000/000"
         message = parse_aprs(raw_message)
 
         self.assertEqual(message['altitude'], None)