diff --git a/src/roam/api/gps.py b/src/roam/api/gps.py
index 920304a70..42da1c864 100644
--- a/src/roam/api/gps.py
+++ b/src/roam/api/gps.py
@@ -111,6 +111,9 @@ def parse_data(self, datastring):
         except AttributeError as er:
             log(er.message)
             return
+        except pynmea2.SentenceTypeError as er:
+            log(er.message)
+            return
 
         mappings = {"RMC": self.extract_rmc,
                     "GGA": self.extract_gga,