diff --git a/hippunfold/workflow/envs/env12.yaml b/hippunfold/workflow/envs/env12.yaml
new file mode 100644
index 00000000..2d9b595c
--- /dev/null
+++ b/hippunfold/workflow/envs/env12.yaml
@@ -0,0 +1,9 @@
+name: env2
+channels:
+  - conda-forge
+  - khanlab
+  - defaults
+dependencies:
+  - python=3.9
+  - convert3d
+  - greedyreg
\ No newline at end of file
diff --git a/hippunfold/workflow/rules/subfields.smk b/hippunfold/workflow/rules/subfields.smk
index c2a37782..fa5d4133 100644
--- a/hippunfold/workflow/rules/subfields.smk
+++ b/hippunfold/workflow/rules/subfields.smk
@@ -37,14 +37,14 @@ rule resample_unfoldreg_subfields:
     container:
         config["singularity"]["autotop"]
     conda:
-        "../envs/env2.yaml"
+        "../envs/env12.yaml"
     shadow:
         "minimal"
     group:
         "subj"
     shell:
         "c3d {input.label_nii} -slice z 0:15 -oo tmp0%d.nii.gz && "
-        "for fn in $(ls tmp*.nii.gz); do antsApplyTransforms -d 2 -i $fn -r $fn -o $fn -n MultiLabel -t {input.warp}; done && "
+        "for fn in $(ls tmp*.nii.gz); do greedy -d 2 -rf $fn -rm $fn $fn -r {input.warp}; done && "
         "c3d tmp*.nii.gz -tile z -o recombined.nii.gz && "
         "c3d {input.label_nii} recombined.nii.gz -copy-transform -o {output}"