diff --git a/Tools/autotest/antennatracker.py b/Tools/autotest/antennatracker.py
index 3c4a7a61c4..a4a6741b66 100644
--- a/Tools/autotest/antennatracker.py
+++ b/Tools/autotest/antennatracker.py
@@ -85,7 +85,9 @@ class AutoTestTracker(AutoTest):
                                     breakpoints=self.breakpoints,
                                     )
         self.mavproxy = util.start_MAVProxy_SITL(
-            'AntennaTracker', options=self.mavproxy_options())
+            'AntennaTracker',
+            logfile=self.mavproxy_logfile,
+            options=self.mavproxy_options())
         self.mavproxy.expect('Telemetry log: (\S+)\r\n')
         self.logfile = self.mavproxy.match.group(1)
         self.progress("LOGFILE %s" % self.logfile)
diff --git a/Tools/autotest/arducopter.py b/Tools/autotest/arducopter.py
index b7acf5d91a..841db1d0f5 100644
--- a/Tools/autotest/arducopter.py
+++ b/Tools/autotest/arducopter.py
@@ -90,7 +90,9 @@ class AutoTestCopter(AutoTest):
                                     vicon=True,
                                     wipe=True)
         self.mavproxy = util.start_MAVProxy_SITL(
-            'ArduCopter', options=self.mavproxy_options())
+            'ArduCopter',
+            logfile=self.mavproxy_logfile,
+            options=self.mavproxy_options())
 
         self.mavproxy.expect('Telemetry log: (\S+)\r\n')
         self.logfile = self.mavproxy.match.group(1)
diff --git a/Tools/autotest/arduplane.py b/Tools/autotest/arduplane.py
index 08860b6d98..476cd34f16 100644
--- a/Tools/autotest/arduplane.py
+++ b/Tools/autotest/arduplane.py
@@ -72,7 +72,9 @@ class AutoTestPlane(AutoTest):
                                     gdbserver=self.gdbserver,
                                     breakpoints=self.breakpoints)
         self.mavproxy = util.start_MAVProxy_SITL(
-            'ArduPlane', options=self.mavproxy_options())
+            'ArduPlane',
+            logfile=self.mavproxy_logfile,
+            options=self.mavproxy_options())
         self.mavproxy.expect('Telemetry log: (\S+)\r\n')
         self.logfile = self.mavproxy.match.group(1)
         self.progress("LOGFILE %s" % self.logfile)
diff --git a/Tools/autotest/ardusub.py b/Tools/autotest/ardusub.py
index 12c28def4c..c048fab1f8 100644
--- a/Tools/autotest/ardusub.py
+++ b/Tools/autotest/ardusub.py
@@ -67,7 +67,9 @@ class AutoTestSub(AutoTest):
                                     breakpoints=self.breakpoints,
                                     wipe=True)
         self.mavproxy = util.start_MAVProxy_SITL(
-            'ArduSub', options=self.mavproxy_options())
+            'ArduSub',
+            logfile=self.mavproxy_logfile,
+            options=self.mavproxy_options())
         self.mavproxy.expect('Telemetry log: (\S+)\r\n')
         self.logfile = self.mavproxy.match.group(1)
         self.progress("LOGFILE %s" % self.logfile)
diff --git a/Tools/autotest/quadplane.py b/Tools/autotest/quadplane.py
index b2f91ca9f6..401080e254 100644
--- a/Tools/autotest/quadplane.py
+++ b/Tools/autotest/quadplane.py
@@ -74,7 +74,9 @@ class AutoTestQuadPlane(AutoTest):
                                     breakpoints=self.breakpoints,
                                     )
         self.mavproxy = util.start_MAVProxy_SITL(
-            'QuadPlane', options=self.mavproxy_options())
+            'QuadPlane',
+            logfile=self.mavproxy_logfile,
+            options=self.mavproxy_options())
         self.mavproxy.expect('Telemetry log: (\S+)\r\n')
         self.logfile = self.mavproxy.match.group(1)
         self.progress("LOGFILE %s" % self.logfile)