diff --git a/garmin_fit.cc b/garmin_fit.cc
index b32a6c1fc..ede89adf9 100644
--- a/garmin_fit.cc
+++ b/garmin_fit.cc
@@ -217,13 +217,13 @@ GarminFitFormat::fit_getstring(int size)
   if (fit_data.len < size) {
     throw ReaderException("record truncated: expecting " + std::to_string(size) + " bytes, but only got " + std::to_string(fit_data.len) + ".");
   }
-  QByteArray buf(size + 1, 0);
+  QByteArray buf(size + 1, 0); // almost certainly an extra byte, QByteArray should guarnatee a terminator.
   gbsize_t count = gbfread(buf.data(), size, 1, fin);
   if (count != 1) {
     throw ReaderException("unexpected end of file with fit_data.len=" + std::to_string(fit_data.len) + ".");
   }
   fit_data.len -= size;
-  return QString(buf);
+  return QString(buf.constData());
 }
 
 void
diff --git a/reference/Lctns_Instinct.csv b/reference/Lctns_Instinct.csv
new file mode 100644
index 000000000..a5b703af6
--- /dev/null
+++ b/reference/Lctns_Instinct.csv
@@ -0,0 +1,9 @@
+No,Latitude,Longitude,Name,Altitude
+1,50.031985,14.310719,"X",
+2,50.101786,14.391518," >  1",235.4
+3,50.102963,14.391518,"2",235.4
+4,50.104888,14.391045,"3",235.4
+5,50.206686,14.260687,"12 SEP 19:07",226.6
+6,50.213687,14.307941,"15 SEP 18:47",287.8
+7,50.184026,14.367012,"3 OCT 15:42",197.8
+8,50.172190,14.239638,"3 OCT 17:33",261.8
diff --git a/reference/Lctns_Instinct.fit b/reference/Lctns_Instinct.fit
new file mode 100755
index 000000000..57168b8cf
Binary files /dev/null and b/reference/Lctns_Instinct.fit differ
diff --git a/testo.d/garmin_fit.test b/testo.d/garmin_fit.test
index 876317ca1..a2a5a71da 100644
--- a/testo.d/garmin_fit.test
+++ b/testo.d/garmin_fit.test
@@ -29,6 +29,9 @@ compare ${REFERENCE}/track/garmin-oregon-700-output.gpx ${TMPDIR}/fit-sample-gar
 gpsbabel -i garmin_fit,recoverymode -f ${REFERENCE}/track/lezyne_super_gps-garmin_fit-sample-bad-endian.fit -o gpx -F ${TMPDIR}/lezyne_super_gps-garmin_fit-sample-bad-endian.gpx 2>/dev/null
 compare ${REFERENCE}/track/lezyne_super_gps-garmin_fit-sample-bad-endian.gpx ${TMPDIR}/lezyne_super_gps-garmin_fit-sample-bad-endian.gpx
 
+gpsbabel -i garmin_fit -f ${REFERENCE}/Lctns_Instinct.fit -o unicsv,utc=0 -F ${TMPDIR}/Lctns_Instinct.csv
+compare ${REFERENCE}/Lctns_Instinct.csv ${TMPDIR}/Lctns_Instinct.csv
+
 #
 # Basic FIT tests (write)
 #