diff --git a/wagtail/images/views/chooser.py b/wagtail/images/views/chooser.py
index 1fbd9b51a..8ac653b0d 100644
--- a/wagtail/images/views/chooser.py
+++ b/wagtail/images/views/chooser.py
@@ -150,6 +150,7 @@ def chooser_upload(request):
             # Set image file hash
             image.file.seek(0)
             image._set_file_hash(image.file.read())
+            image.file.seek(0)
 
             form.save()
 
diff --git a/wagtail/images/views/images.py b/wagtail/images/views/images.py
index 76de6dd3e..71a29d88f 100644
--- a/wagtail/images/views/images.py
+++ b/wagtail/images/views/images.py
@@ -104,6 +104,7 @@ def edit(request, image_id):
                 # Set new image file hash
                 image.file.seek(0)
                 image._set_file_hash(image.file.read())
+                image.file.seek(0)
 
             form.save()
 
@@ -260,6 +261,7 @@ def add(request):
             # Set image file hash
             image.file.seek(0)
             image._set_file_hash(image.file.read())
+            image.file.seek(0)
 
             form.save()
 
diff --git a/wagtail/images/views/multiple.py b/wagtail/images/views/multiple.py
index cf2da5582..4864bf087 100644
--- a/wagtail/images/views/multiple.py
+++ b/wagtail/images/views/multiple.py
@@ -69,6 +69,7 @@ def add(request):
             image.file_size = image.file.size
             image.file.seek(0)
             image._set_file_hash(image.file.read())
+            image.file.seek(0)
             image.save()
 
             # Success! Send back an edit form for this image to the user