diff --git a/tool/utils.py b/tool/utils.py
index a42e6264..94e38d06 100644
--- a/tool/utils.py
+++ b/tool/utils.py
@@ -137,8 +137,8 @@ def get_color(c, x, max_val):
             t_size = cv2.getTextSize(msg, 0, 0.7, thickness=bbox_thick // 2)[0]
             c1, c2 = (x1,y1), (x2, y2)
             c3 = (c1[0] + t_size[0], c1[1] - t_size[1] - 3)
-            cv2.rectangle(img, (x1,y1), (np.float32(c3[0]), np.float32(c3[1])), rgb, -1)
-            img = cv2.putText(img, msg, (c1[0], np.float32(c1[1] - 2)), cv2.FONT_HERSHEY_SIMPLEX,0.7, (0,0,0), bbox_thick//2,lineType=cv2.LINE_AA)
+            cv2.rectangle(img, (x1,y1), (int(c3[0]), int(c3[1])), rgb, -1)
+            img = cv2.putText(img, msg, (c1[0], int(c1[1] - 2)), cv2.FONT_HERSHEY_SIMPLEX,0.7, (0,0,0), bbox_thick//2,lineType=cv2.LINE_AA)
         
         img = cv2.rectangle(img, (x1, y1), (x2, y2), rgb, bbox_thick)
     if savename: