diff --git a/config.json b/config.json
index 0f1de0a..1830e8f 100644
--- a/config.json
+++ b/config.json
@@ -12,19 +12,19 @@
   "hidden_size": 768,
   "id2label": {
     "0": "O",
-    "1": "LOC",
-    "2": "PER",
-    "3": "MISC",
-    "4": "ORG"
+    "1": "I-LOC",
+    "2": "I-PER",
+    "3": "I-MISC",
+    "4": "I-ORG"
   },
   "initializer_range": 0.02,
   "intermediate_size": 3072,
   "label2id": {
-    "LOC": 1,
-    "MISC": 3,
+    "I-LOC": 1,
+    "I-MISC": 3,
     "O": 0,
-    "ORG": 4,
-    "PER": 2
+    "I-ORG": 4,
+    "I-PER": 2
   },
   "layer_norm_eps": 1e-05,
   "max_position_embeddings": 514,