diff --git a/demo/c/falcon_demo.c b/demo/c/falcon_demo.c
index 197c998..316af91 100644
--- a/demo/c/falcon_demo.c
+++ b/demo/c/falcon_demo.c
@@ -154,7 +154,7 @@ int picovoice_main(int argc, char **argv) {
 //    exit(1);
 //  }
 
-  pv_status_t (*pv_falcon_segments_delete_func)(pv_word_t *) =
+  pv_status_t (*pv_falcon_segments_delete_func)(pv_segment_t *) =
       load_symbol(dl_handle, "pv_falcon_segments_delete");
   if (!pv_falcon_segments_delete_func) {
     print_dl_error("failed to load `pv_falcon_segments_delete`");
@@ -187,7 +187,7 @@ int picovoice_main(int argc, char **argv) {
   for (int32_t i = optind; i < argc; i++) {
     gettimeofday(&before, NULL);
 
-    int32_t num_words = 0;
+    int32_t num_segments = 0;
     pv_segment_t *segments = NULL;
 //    status = pv_falcon_process_file_func(falcon, argv[i], &num_words, &segments);
 //    if (status != PV_STATUS_SUCCESS) {
@@ -201,12 +201,12 @@ int picovoice_main(int argc, char **argv) {
     proc_sec += ((double)(after.tv_sec - before.tv_sec) +
                  ((double)(after.tv_usec - before.tv_usec)) * 1e-6);
 
-      for (int32_t j = 0; j < num_words; j++) {
+      for (int32_t j = 0; j < num_segments; j++) {
         fprintf(stdout,
                 "Speaker: %d -> Start: %5.2f, End: %5.2f\n",
-                segment->speaker_tag,
-                segment->start_sec,
-                segment->end_sec);
+                segments[j]->speaker_tag,
+                segments[j]->start_sec,
+                segments[j]->end_sec);
       }
     }
     pv_falcon_segments_delete_func(segments);