diff --git a/utils/tuning/libtuning/libtuning.py b/utils/tuning/libtuning/libtuning.py
index e7c63535fefd..bac573235040 100644
--- a/utils/tuning/libtuning/libtuning.py
+++ b/utils/tuning/libtuning/libtuning.py
@@ -95,7 +95,10 @@ class Tuner(object):
         self.output = {}
 
     def add(self, module):
-        self.modules.append(module)
+        if isinstance(module, list):
+            self.modules.extend(module)
+        else:
+            self.modules.append(module)
 
     def set_input_parser(self, parser):
         self.parser = parser
diff --git a/utils/tuning/rkisp1.py b/utils/tuning/rkisp1.py
index 5d7a69fc4a13..f5c42a61d15e 100755
--- a/utils/tuning/rkisp1.py
+++ b/utils/tuning/rkisp1.py
@@ -45,15 +45,7 @@ lsc = LSCRkISP1(debug=[lt.Debug.Plot],
                 smoothing_function=lt.smoothing.MedianBlur(3),)
 
 tuner = lt.Tuner('RkISP1')
-tuner.add(agc)
-tuner.add(awb)
-tuner.add(blc)
-tuner.add(ccm)
-tuner.add(color_processing)
-tuner.add(filter)
-tuner.add(gamma_out)
-tuner.add(lsc)
-
+tuner.add([agc, awb, blc, ccm, color_processing, filter, gamma_out, lsc])
 tuner.set_input_parser(YamlParser())
 tuner.set_output_formatter(YamlOutput())
 tuner.set_output_order([agc, awb, blc, ccm, color_processing,