diff --git a/sourcedata/atlases/atlas-AAL_space-MNI152NLin6_res-2_dseg.tsv b/sourcedata/atlases/atlas-AAL_space-MNI152NLin6_res-2_dseg.tsv
index 169ad0b..f9920e7 100644
--- a/sourcedata/atlases/atlas-AAL_space-MNI152NLin6_res-2_dseg.tsv
+++ b/sourcedata/atlases/atlas-AAL_space-MNI152NLin6_res-2_dseg.tsv
@@ -1,4 +1,4 @@
-index label
+index	label
 0	background
 1	L_Precentral_gyrus
 2	R_Precentral_gyrus