diff --git a/libCacheSim/bin/cli_reader_utils.c b/libCacheSim/bin/cli_reader_utils.c
index 9d9b3174..3be7cd5f 100644
--- a/libCacheSim/bin/cli_reader_utils.c
+++ b/libCacheSim/bin/cli_reader_utils.c
@@ -130,13 +130,12 @@ void parse_reader_params(const char *reader_params_str,
     } else if (strcasecmp(key, "feature-cols") == 0) {
       // feature-cols=1|2|3
       char *feature_str = strdup(value);
-      char *feature = strsep(&feature_str, "|");
+      char *feature;
       int i = 0;
-      while (feature != NULL) {
+      while ((feature = strsep(&feature_str, "|")) != NULL) {
         params->feature_fields[i] = (int)strtol(feature, &end, 0);
         _check_parsed_result(end, params->feature_fields[i]);
         i++;
-        feature = strsep(&feature_str, ",");
       }
       params->n_feature_fields = i;
     } else if (strcasecmp(key, "ttl-col") == 0) {
diff --git a/libCacheSim/traceReader/customizedReader/lcs.c b/libCacheSim/traceReader/customizedReader/lcs.c
index 0f150051..4b02c20d 100644
--- a/libCacheSim/traceReader/customizedReader/lcs.c
+++ b/libCacheSim/traceReader/customizedReader/lcs.c
@@ -197,7 +197,7 @@ int lcs_read_one_req(reader_t *reader, request_t *req) {
     int32_t *features = (int32_t *)(record + sizeof(lcs_req_v3_t));
     req->n_features = n_features;
     for (int i = 0; i < n_features; i++) {
-      req->features[i] = *(int32_t *)(features + i * sizeof(int32_t));
+      req->features[i] = features[i];
     }
   } else {
     ERROR("invalid lcs version %ld\n", (unsigned long)reader->lcs_ver);