diff --git a/supervision/detection/lmm.py b/supervision/detection/lmm.py
index e6555706..c450403b 100644
--- a/supervision/detection/lmm.py
+++ b/supervision/detection/lmm.py
@@ -143,7 +143,7 @@ def from_florence_2(
         masks_list = []
         for polygons_of_same_class in result["polygons"]:
             for polygon in polygons_of_same_class:
-                polygon = np.reshape(polygon, (-1, 2))
+                polygon = np.reshape(polygon, (-1, 2)).astype(np.int32)
                 mask = polygon_to_mask(polygon, resolution_wh)
                 masks_list.append(mask)
                 xyxy = polygon_to_xyxy(polygon)