diff --git a/albumentations/augmentations/transforms.py b/albumentations/augmentations/transforms.py
index c88d52ed3..5a9a0efad 100644
--- a/albumentations/augmentations/transforms.py
+++ b/albumentations/augmentations/transforms.py
@@ -3161,7 +3161,7 @@ def apply(self, img, dropout_mask=None, image_fill_value=0, **params):
         if dropout_mask is None:
             return img
 
-        if image_fill_value == "inpaint":
+        if isinstance(image_fill_value, str) and image_fill_value == "inpaint":
             dropout_mask = dropout_mask.astype(np.uint8)
             _, _, w, h = cv2.boundingRect(dropout_mask)
             radius = min(3, max(w, h) // 2)