diff --git a/scripts/planktoscope/imager/__init__.py b/scripts/planktoscope/imager/__init__.py
index 81870c9..d9b1a30 100644
--- a/scripts/planktoscope/imager/__init__.py
+++ b/scripts/planktoscope/imager/__init__.py
@@ -124,7 +124,7 @@ class ImagerProcess(multiprocessing.Process):
 
         self.__iso = iso
         self.__shutter_speed = shutter_speed
-        self.__exposure_mode = "fixedfps"
+        self.__exposure_mode = "off"
         self.__white_balance = "off"
         self.__white_balance_gain = (
             configuration.get("wb_red_gain", 2.00) * 100,
diff --git a/scripts/raspimjpeg/raspimjpeg.conf b/scripts/raspimjpeg/raspimjpeg.conf
index 9e4ee45..14e8c82 100644
--- a/scripts/raspimjpeg/raspimjpeg.conf
+++ b/scripts/raspimjpeg/raspimjpeg.conf
@@ -27,7 +27,7 @@ iso 0
 metering_mode average
 video_stabilisation false
 exposure_compensation 0
-exposure_mode auto
+exposure_mode off
 white_balance auto
 autowbgain_r 150
 autowbgain_b 150