diff --git a/Makefile b/Makefile
index 29eaa0c1d36bf6141761bf04bbe4116e2c6fc5d1..b1692d313dd4dbd241b331731770b2a3017de08b 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ PROJNAME = avwutils
 LIBS = -lfsl-newimage -lfsl-miscmaths -lfsl-cprob -lfsl-NewNifti -lfsl-utils -lfsl-znz
 
 XFILES = fslorient fslstats fslmerge \
-         fslpspec fslroi fslnvols fsl2ascii fslascii2img  \
+         fslpspec fslroi fslnvols fsl2ascii fslascii2img \
          fslsplit fslcc fslinterleave \
          fslhd fslcpgeom fslcreatehd fslmaths \
          fslcomplex fslfft fslmeants fslslice fslswapdim_exe \
diff --git a/tests/fslstats/feedsRun b/tests/fslstats/feedsRun
index 8e722db837e9a841e625dec2988cdc53e6b8505a..6e6c725e81cdb1e896dffde3dcab802ec604167b 100755
--- a/tests/fslstats/feedsRun
+++ b/tests/fslstats/feedsRun
@@ -91,7 +91,7 @@ tests_with_preoptions = [
         "preoptions": "-K",
         "mask": "mask.nii.gz",
         "options": "-m",
-        "expected": "1.078044 \n1.028827 \n0.986428 \n1.020869",
+        "expected": "0.539022 \n0.514414 \n0.493214 \n0.510435",
         "name": "preopIndexMaskMean",
     },
     {
diff --git a/tests/fslstats/test_preopIndexMaskMean_K_m.json b/tests/fslstats/test_preopIndexMaskMean_K_m.json
index fd62a2f93b208692544c6a564450f7913aa16133..13bd72edd29b5cb9e50f5ee5901d45b309b912d5 100644
--- a/tests/fslstats/test_preopIndexMaskMean_K_m.json
+++ b/tests/fslstats/test_preopIndexMaskMean_K_m.json
@@ -3,16 +3,16 @@
         {
             "indices": [
                 {
-                    "-m": 1.078043952870764
+                    "-m": 0.539021976435382
                 },
                 {
-                    "-m": 1.0288272842710071
+                    "-m": 0.5144136421355036
                 },
                 {
-                    "-m": 0.9864278855356776
+                    "-m": 0.4932139427678388
                 },
                 {
-                    "-m": 1.0208694600344945
+                    "-m": 0.5104347300172473
                 }
             ]
         }