diff --git a/pydra/tasks/fsl/utils/extractroi.py b/pydra/tasks/fsl/utils/extractroi.py
index da34f08..ac37cc4 100644
--- a/pydra/tasks/fsl/utils/extractroi.py
+++ b/pydra/tasks/fsl/utils/extractroi.py
@@ -20,7 +20,7 @@
             "help_string": "output file",
             "argstr": "{roi_file}",
             "position": 1,
-            "output_file_template": "{in_file}_trim",
+            "output_file_template": "{in_file}_roi",
         },
     ),
     ("x_min", int, {"help_string": "", "argstr": "{x_min}", "position": 2}),
@@ -48,9 +48,9 @@ class ExtractROI(ShellCommandTask):
     >>> task.inputs.in_file = "test.nii.gz"
     >>> task.inputs.t_min = 0
     >>> task.inputs.t_size = 3
-    >>> task.inputs.roi_file = "test_trim.nii.gz"
+    >>> task.inputs.roi_file = "test_roi.nii.gz"
     >>> task.cmdline
-    'fslroi test.nii.gz test_trim.nii.gz 0 3'
+    'fslroi test.nii.gz test_roi.nii.gz 0 3'
     """
 
     input_spec = ExtractROI_input_spec
diff --git a/pydra/tasks/fsl/utils/tests/test_run_extractroi.py b/pydra/tasks/fsl/utils/tests/test_run_extractroi.py
index e3bddd8..d4c0778 100644
--- a/pydra/tasks/fsl/utils/tests/test_run_extractroi.py
+++ b/pydra/tasks/fsl/utils/tests/test_run_extractroi.py
@@ -6,7 +6,21 @@
 @pytest.mark.xfail("FSLDIR" not in os.environ, reason="no FSL found", raises=FileNotFoundError)
 @pytest.mark.parametrize(
     "inputs, outputs",
-    [({"in_file": "test.nii.gz", "t_min": 0, "t_size": 1}, ["roi_file"])],
+    [
+        ({"in_file": "test.nii.gz", "t_min": 0, "t_size": 1}, ["roi_file"]),
+        (
+            {
+                "in_file": "test.nii.gz",
+                "x_min": 0,
+                "x_size": 1,
+                "y_min": 20,
+                "y_size": 1,
+                "z_min": 10,
+                "z_size": 1,
+            },
+            ["roi_file"],
+        ),
+    ],
 )
 def test_ExtractROI(test_data, inputs, outputs):
     if inputs is None:
diff --git a/pydra/tasks/fsl/utils/tests/test_spec_extractroi.py b/pydra/tasks/fsl/utils/tests/test_spec_extractroi.py
index 3496f3f..6457929 100644
--- a/pydra/tasks/fsl/utils/tests/test_spec_extractroi.py
+++ b/pydra/tasks/fsl/utils/tests/test_spec_extractroi.py
@@ -5,7 +5,21 @@
 
 @pytest.mark.parametrize(
     "inputs, outputs",
-    [({"in_file": "test.nii.gz", "t_min": 0, "t_size": 1}, ["roi_file"])],
+    [
+        ({"in_file": "test.nii.gz", "t_min": 0, "t_size": 1}, ["roi_file"]),
+        (
+            {
+                "in_file": "test.nii.gz",
+                "x_min": 0,
+                "x_size": 1,
+                "y_min": 20,
+                "y_size": 1,
+                "z_min": 10,
+                "z_size": 1,
+            },
+            ["roi_file"],
+        ),
+    ],
 )
 def test_ExtractROI(test_data, inputs, outputs):
     if inputs is None:
diff --git a/specs/fsl_utils_param.yml b/specs/fsl_utils_param.yml
index f62cc9f..0ad95de 100644
--- a/specs/fsl_utils_param.yml
+++ b/specs/fsl_utils_param.yml
@@ -90,21 +90,29 @@ ExtractROI:
   output_requirements:
     roi_file: [in_file]
   output_templates:
-    roi_file: "{in_file}_trim"
+    roi_file: "{in_file}_roi"
   inputs_drop:
     - crop_list
   doctest:
     in_file: test.nii.gz
     t_min: 0
     t_size: 3
-    roi_file: test_trim.nii.gz
-    cmdline: fslroi test.nii.gz test_trim.nii.gz 0 3
+    roi_file: test_roi.nii.gz
+    cmdline: fslroi test.nii.gz test_roi.nii.gz 0 3
   tests_inputs:
     - in_file: test.nii.gz
       t_min: 0
       t_size: 1
+    - in_file: test.nii.gz
+      x_min: 0
+      x_size: 1
+      y_min: 20
+      y_size: 1
+      z_min: 10
+      z_size: 1
   tests_outputs:
     - roi_file
+    - roi_file
 
 FilterRegressor:
   output_requirements: