diff --git a/ih/imgproc.py b/ih/imgproc.py
index 97a732ba974b6fcfe38d1253a94fa24b32c9a8a0..f04ae526f5c1b819094d31758a40129ea34e4f04 100644
--- a/ih/imgproc.py
+++ b/ih/imgproc.py
@@ -910,7 +910,7 @@ class Image(object):
 
         Fills the given roi with the given color.
         """
-
+        roi = self._loadROI(roi)
         ystart, yend, xstart, xend = roi
         self.image[ystart:yend, xstart:xend] = color
         return