diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 66862ada5e..80ad3614bc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -105,7 +105,10 @@ repos:
         hooks:
             - id: rapids-dependency-file-generator
               args: ["--clean"]
-
+      - repo: https://github.com/pre-commit/pre-commit-hooks
+        rev: v4.5.0
+        hooks:
+              - id: check-json
 
 default_language_version:
       python: python3
diff --git a/python/raft-ann-bench/src/raft-ann-bench/run/conf/glove-100-inner.json b/python/raft-ann-bench/src/raft-ann-bench/run/conf/glove-100-inner.json
index ce54ce3f6b..06ce6e3ac4 100644
--- a/python/raft-ann-bench/src/raft-ann-bench/run/conf/glove-100-inner.json
+++ b/python/raft-ann-bench/src/raft-ann-bench/run/conf/glove-100-inner.json
@@ -207,7 +207,6 @@
       "algo": "faiss_gpu_ivf_flat",
       "build_param": {"nlist":8192},
       "file": "glove-100-inner/faiss_gpu_ivf_flat/nlist8192",
-      "file": "index/glove-100-inner/faiss_ivf_flat/nlist8192",
       "search_params": [
         {
           "nprobe": 1
@@ -682,7 +681,7 @@
       "algo": "faiss_gpu_flat",
       "build_param": {},
       "file": "glove-100-inner/faiss_gpu_flat/flat",
-      "search_params": [{}]
+      "search_params": [{}],
       "search_result_file": "result/glove-100-inner/faiss_gpu_flat/flat"
     },
 
diff --git a/python/raft-ann-bench/src/raft-ann-bench/run/conf/mnist-784-euclidean.json b/python/raft-ann-bench/src/raft-ann-bench/run/conf/mnist-784-euclidean.json
index 6e982873bb..fff3bca1d7 100644
--- a/python/raft-ann-bench/src/raft-ann-bench/run/conf/mnist-784-euclidean.json
+++ b/python/raft-ann-bench/src/raft-ann-bench/run/conf/mnist-784-euclidean.json
@@ -1,4 +1,4 @@
-c{
+{
   "dataset": {
     "name": "mnist-784-euclidean",
     "base_file": "mnist-784-euclidean/base.fbin",