diff --git a/resnet_image_embedding.py b/resnet_image_embedding.py
index ba18e2d..f11d958 100644
--- a/resnet_image_embedding.py
+++ b/resnet_image_embedding.py
@@ -45,7 +45,7 @@ class ResnetImageEmbedding(Operator):
 
 
     def __call__(self, img_path: str) -> NamedTuple('Outputs', [('feature_vector', numpy.ndarray)]):
-        img = self.tfms(Image.open(img_path)).unsqueeze(0)
+        img = self.tfms(Image.open(img_path).convert('RGB')).unsqueeze(0)
         embedding = self.model(img)
         Outputs = NamedTuple('Outputs', [('feature_vector', numpy.ndarray)])
         return Outputs(embedding)