diff --git a/src/parser.c b/src/parser.c
index 8c645e6c..09abf2d4 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -517,7 +517,7 @@ layer parse_yolo(list *options, size_params params)
     l.random = option_find_float_quiet(options, "random", 0);
 
     l.track_history_size = option_find_int_quiet(options, "track_history_size", 5);
-    l.sim_thresh = option_find_int_quiet(options, "sim_thresh", 0.8);
+    l.sim_thresh = option_find_float_quiet(options, "sim_thresh", 0.8);
     l.dets_for_track = option_find_int_quiet(options, "dets_for_track", 1);
     l.dets_for_show = option_find_int_quiet(options, "dets_for_show", 1);
     l.track_ciou_norm = option_find_float_quiet(options, "track_ciou_norm", 0.01);
diff --git a/src/yolo.c b/src/yolo.c
index dd5e2a16..44f7c5a5 100644
--- a/src/yolo.c
+++ b/src/yolo.c
@@ -190,7 +190,6 @@ void validate_yolo(char *cfgfile, char *weightfile)
         }
     }
 
-    if (fps) free(fps);
     if (val) free(val);
     if (val_resized) free(val_resized);
     if (buf) free(buf);
@@ -198,10 +197,12 @@ void validate_yolo(char *cfgfile, char *weightfile)
     if (thr) free(thr);
 
     fprintf(stderr, "Total Detection Time: %f Seconds\n", (double)(time(0) - start));
-    for(j = 0; j < classes; ++j){
-        fclose(fps[j]);
+    if (fps) {
+        for(j = 0; j < classes; ++j){
+            fclose(fps[j]);
+        }
+        free(fps);
     }
-    free(fps);
 }
 
 void validate_yolo_recall(char *cfgfile, char *weightfile)