diff --git a/third_party/upload.py b/third_party/upload.py
index 895c8f594..aaf843fb8 100755
--- a/third_party/upload.py
+++ b/third_party/upload.py
@@ -1595,8 +1595,8 @@ class GitVCS(VersionControlSystem):
     else:
       status = "M"
 
-    is_binary = self.IsBinaryData(base_content)
     is_image = self.IsImage(filename)
+    is_binary = self.IsBinaryData(base_content) or is_image
 
     # Grab the before/after content if we need it.
     # Grab the base content if we don't have it already.