diff --git a/rubix_preproc.sh b/rubix_preproc.sh
index 222983c1309f25606bcff458d93e3aba1467f55d..0cec5d50d4eba921f757fd263e4b17b03eef4462 100644
--- a/rubix_preproc.sh
+++ b/rubix_preproc.sh
@@ -33,9 +33,9 @@ else
     cp ${subjdir}/bvecsLR $out_dir/bvecsLR
     cp ${subjdir}/bvecsHR $out_dir/bvecsHR
     cp ${subjdir}/bvalsHR $out_dir/bvalsHR
-    ${FSLDIR}/bin/fslslice $subjdir/dataLR $out_dir/$dataLR
+    ${FSLDIR}/bin/fslslice $subjdir/dataLR $out_dir/dataLR
     ${FSLDIR}/bin/fslslice $subjdir/$maskLR $out_dir/$maskLR
-    ${FSLDIR}/bin/fslslice $subjdir/dataHR $out_dir/$dataHR
+    ${FSLDIR}/bin/fslslice $subjdir/dataHR $out_dir/dataHR
     if [ ${gflag} -eq 1 ]; then
 	${FSLDIR}/bin/fslslice $subjdir/grad_devLR $out_dir/grad_devLR
 	${FSLDIR}/bin/fslslice $subjdir/grad_devHR $out_dir/grad_devHR