1 files changed, 2 insertions, 2 deletions
diff --git a/gpsprof b/gpsprof
index e688cac1..54b27f13 100755
--- a/gpsprof
+++ b/gpsprof
@@ -156,7 +156,7 @@ class uninstrumented:
         self.stats = []
     def gather(self, session):
         if session.fix.time:
-            seconds = time.time() - session.fix.time
+            seconds = time.time() - gps.misc.isotime(session.data.time)
             self.stats.append(seconds)
             return True
         else:
@@ -235,7 +235,7 @@ def plotframe(await, fname, speed, threshold, title):
                 sys.exit(1)
             baton.twirl()
             if session.data["class"] == "WATCH":
-                if "timing" in options and not session.data.get("timing"):
+                if "timing" in options and not session.data.get("xmit_time"):
                     sys.stderr.write("gpsprof: timing is not enabled.\n")
                     sys.exit(1)
             # We can get some funky artifacts at start of session