diff --git a/setup.py b/setup.py
index 389a3333..fade518b 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 ]
 EXTRA_LING_ARGS = []
 
-VERSION = "1.2.0"  # sets version number for whole package
+VERSION = "1.2.1"  # sets version number for whole package
 
 
 def run_command(command: str) -> str:
diff --git a/src/nanopyx/methods/esrrf/eSRRF_workflow.py b/src/nanopyx/methods/esrrf/eSRRF_workflow.py
index 48f7e250..01ae33e8 100644
--- a/src/nanopyx/methods/esrrf/eSRRF_workflow.py
+++ b/src/nanopyx/methods/esrrf/eSRRF_workflow.py
@@ -60,8 +60,8 @@ def eSRRF(
     )
     if macro_pixel_correction:
         return macro_pixel_corrector(
-            _eSRRF.calculate(_force_run_type=_force_run_type)[0],
+            np.asarray(_eSRRF.calculate(_force_run_type=_force_run_type)[0]),
             magnification=magnification,
         )
     else:
-        return _eSRRF.calculate(_force_run_type=_force_run_type)[0]
+        return np.asarray(_eSRRF.calculate(_force_run_type=_force_run_type)[0])