diff --git a/bids-validator/bids_validator/rules/file_level_rules.json b/bids-validator/bids_validator/rules/file_level_rules.json
index b73813688..64e8bcde0 100644
--- a/bids-validator/bids_validator/rules/file_level_rules.json
+++ b/bids-validator/bids_validator/rules/file_level_rules.json
@@ -380,8 +380,27 @@
   },
 
   "ieeg": {
-    "regexp": "^[\\/\\\\](sub-[a-zA-Z0-9]+)[\\/\\\\](?:(ses-[a-zA-Z0-9]+)[\\/\\\\])?ieeg[\\/\\\\]\\1(_\\2)?(?:_task-[a-zA-Z0-9]+)?(?:_acq-[a-zA-Z0-9]+)?(?:_run-[0-9]+)?(?:_proc-[a-zA-Z0-9]+)?(?:_split-[0-9]+)?(?:_space-[a-zA-Z0-9]+)?((_ieeg\\.(@@@_ieeg_type_@@@)|(@@@_ieeg_ext_@@@))|(?:_recording-[a-zA-Z0-9]+)?(?:@@@_cont_ext_@@@))$",
+    "regexp": "^[\\/\\\\](sub-[a-zA-Z0-9]+)[\\/\\\\](?:(ses-[a-zA-Z0-9]+)[\\/\\\\])?ieeg[\\/\\\\]\\1(_\\2)?(?:_task-[a-zA-Z0-9]+)?(?:_acq-[a-zA-Z0-9]+)?(?:_run-[0-9]+)?(?:_proc-[a-zA-Z0-9]+)?(?:_split-[0-9]+)?(?:_space\\.(@@@_ieeg_space_@@@)?((_ieeg\\.(@@@_ieeg_type_@@@)|(@@@_ieeg_ext_@@@))|(?:_recording-[a-zA-Z0-9]+)?(?:@@@_cont_ext_@@@))$",
     "tokens": {
+      "@@@_ieeg_space_@@@": [
+        "Other",
+        "Pixels",
+        "ACPC",
+        "MNI152Lin",
+        "MNI152NLin6",
+        "MNI152NLin2009",
+        "MNIColin27",
+        "MNI305",
+        "NIHPD",
+        "Talairach",
+        "OASIS30AntsOASISAnts",
+        "OASIS30Atropos",
+        "ICBM452AirSpace",
+        "ICBM452Warp5Space",
+        "IXI549Space",
+        "fsaverage",
+        "UNCInfant"
+      ],      
       "@@@_ieeg_type_@@@": [
         "edf",
         "vhdr",