diff --git a/PythonAPI/pycocotools/coco.py b/PythonAPI/pycocotools/coco.py
index e4182c74..d39f8583 100644
--- a/PythonAPI/pycocotools/coco.py
+++ b/PythonAPI/pycocotools/coco.py
@@ -238,7 +238,7 @@ def showAnns(self, anns, draw_bbox=False):
         """
         if len(anns) == 0:
             return 0
-        if 'segmentation' in anns[0] or 'keypoints' in anns[0]:
+        if 'segmentation' in anns[0] or 'keypoints' in anns[0] or 'bbox' in anns[0]:
             datasetType = 'instances'
         elif 'caption' in anns[0]:
             datasetType = 'captions'
@@ -438,4 +438,4 @@ def annToMask(self, ann):
         """
         rle = self.annToRLE(ann)
         m = maskUtils.decode(rle)
-        return m
\ No newline at end of file
+        return m